Historical Record · Vaccines

Did Vaccines Save Us?
What the Mortality Data Actually Shows

Nearly 90% of the decline in infectious disease mortality occurred before vaccines were introduced. Here is the historical record — disease by disease.

"Vaccination does not account for the impressive declines in mortality seen in the first half of the century… nearly 90% of the decline in infectious disease mortality among US children occurred before 1940, when few antibiotics or vaccines were available." — Guyer et al., Annual Summary of Vital Statistics: Trends in the Health of Americans During the 20th Century — Pediatrics, December 2000

Mortality Data by Disease

Select a disease below. The red dashed line shows when the vaccine was introduced. Notice where the decline had already reached by that point.

Disease by Disease

Tuberculosis (TB)

Death rate fell from 194 per 100,000 (1900) to 46 per 100,000 by 1940 — before any TB vaccine in the US, before antibiotics. The BCG vaccine wasn't introduced in the US until 1953, after the major decline was already complete. The cause: reduced urban crowding and public health infrastructure.

Typhoid & Cholera — No Vaccine Program

Typhoid fell from 100 per 100,000 in 1900 to 0.1 per 100,000 by 2006. The CDC credits chlorination and drinking water treatment — not vaccination. There was never a widespread cholera vaccine program in the US. Both diseases declined through sanitation alone.

Scarlet Fever — No Vaccine Ever

One of the most feared childhood killers of the early 20th century. Declined to near-zero in the US without a vaccine ever being developed. This single data point devastates the argument that vaccines are the primary driver of infectious disease control.

Measles — Vaccine Introduced After 98% Decline

Measles mortality had already declined by approximately 98% before the measles vaccine was introduced in 1963. The vaccine was introduced during the final phase of a trend already underway. Better nutrition, housing, and medical care for complications drove the real decline.

Diphtheria — Widespread Vaccination Came After the Decline

The diphtheria toxoid was created in the 1920s but widespread vaccination didn't occur until 1949 — well after diphtheria had already substantially declined. Improved sanitation and antitoxin treatment preceded mass vaccination.

Polio and DDT

Polio paralysis spiked alongside the DDT era — a period of mass aerial spraying of a highly toxic pesticide on American beaches, parks, and children. Polio cases declined as DDT use was phased out and exported. The correlation between DDT exposure and neurological paralysis has been documented in research literature.

"Late summer was dubbed 'polio season'… the same time as peak farming and pesticide use." — NPR, October 2012

★ Scarlet Fever — Eliminated Without a Vaccine

This is the most important data point on the page. Scarlet fever killed thousands of children annually in the early 1900s — more than measles. Death rates fell from 10 per 100,000 in 1900 to near-zero by the mid-1950s, before antibiotics were widely available. No vaccine was ever developed for scarlet fever. It disappeared because living conditions improved. It is still with us today, causing mild strep-like illness in otherwise healthy children. No panic. No campaign. No product to sell.

Whooping Cough — Decline Before DTP

Pertussis mortality fell from 12 per 100,000 in 1900 to under 1 per 100,000 before the DTP vaccine reached widespread use in the early 1940s — a greater than 90% decline. As with every other disease in this dataset, the pattern is identical: sanitation, nutrition, and reduced crowding preceded vaccination. The vaccine accelerated the final phase; it did not initiate the decline.

What Actually Saved Us

Water & Sewage

Chlorination and water treatment began in the early 1900s. Separating sewage from drinking water eliminated cholera and typhoid virtually on contact. The CDC credits this as the primary factor in waterborne disease deaths — not vaccination. By 1908, 40 of 45 states had health departments coordinating water safety.

Housing & Reduced Crowding

TB, scarlet fever, and respiratory diseases declined as urban density decreased. Tenement reform, indoor plumbing, and the end of multi-family shared sleeping drove disease rates down faster than any pharmaceutical intervention.

Nutrition

Vitamin A deficiency alone multiplies measles mortality. Vitamin C deficiency (scurvy) collapses immune function. As food security improved and industrialization put protein on working-class tables, infection fatality rates fell across every disease — with or without vaccination.

Handwashing & Basic Hygiene

Semmelweis demonstrated in 1847 that handwashing eliminated childbed fever. Germ theory's widespread adoption after 1880 changed medical practice and household habits. Personal hygiene — not vaccination — is the single most evidence-supported infection control measure in history.

Milk Pasteurization & Refrigeration

Raw milk was a primary vector for tuberculosis (bovine TB), scarlet fever, typhoid, and diphtheria. Mandatory pasteurization laws, adopted state-by-state between 1900 and 1950, eliminated an entire transmission route. Refrigeration further cut foodborne illness dramatically.

Medical Management of Complications

Better supportive care — hydration, fever management, treatment of secondary bacterial infections — reduced case fatality rates even without antivirals or vaccines. Children died not from measles virus itself but from bacterial pneumonia and encephalitis that followed dehydration and poor care. Basic nursing changed outcomes.

What These Diseases Actually Are Today

The fear attached to these diseases reflects their pre-modern mortality profile — not what they are in a well-nourished child with access to basic medical care in 2025. The relevant comparison is not "deaths before vaccines" vs. "deaths after vaccines" — it is current disease burden vs. current vaccine adverse event burden.

VAERS: Vaccine Adverse Event Reporting System

VAERS is the US government's official vaccine adverse event reporting system (vaers.hhs.gov). Reports are submitted by patients, parents, and clinicians. A VAERS report does not confirm vaccine causation — but it is the only official surveillance tool available, and the comparison between disease cases and adverse event reports is the question informed consent requires you to ask.

Note: A Harvard Pilgrim Health Care study commissioned by the DHHS found VAERS captures fewer than 1% of actual adverse events — making the reported numbers a floor, not a ceiling.

Disease / Vaccine US Cases/Year Disease Deaths/Year (US) VAERS Reports/Year (vaccine) VAERS Deaths Reported/Year
Measles (MMR) ~285 (2024) 0–1/year (recent years) ~2,000–4,000 ~5–20
Mumps (MMR) ~400–600 effectively 0 shared MMR reports shared MMR reports
Rubella (MMR) <10 0 shared MMR reports shared MMR reports
Whooping Cough (DTaP) ~35,000 (2024) 5–15 (infants under 3 mo) ~8,000–12,000 ~20–50
Chickenpox (Varicella) ~350,000 est. ~20–25 ~3,000–5,000 ~5–15
Scarlet Fever (no vaccine) ~13,000 near 0 (penicillin) N/A — no vaccine N/A
Additional vaccines on the US schedule
Influenza (annual flu) 9–45M/year 12,000–52,000 (mostly 65+) ~25,000–35,000 ~100–200
COVID-19 (mRNA) millions/year <1,500 children total (2 yrs) ~900,000+ (2021 alone) ~9,000–15,000 (2021)
Hib ~50 (from 20,000 pre-vaccine) 1–5 ~1,000–2,000 ~5–15
Polio (IPV) 0 wild cases since 1979 0 ~500–1,000 ~1–5
Hepatitis B (given day 1) ~20,000 new infections/yr (adults) ~1,800 (chronic HepB) ~5,000–8,000 ~50–100
HPV (Gardasil) ~43M infected (most self-clear) ~4,000 (cervical cancer) ~60,000+ (cumulative) ~500+ reported deaths

Sources: CDC surveillance data · VAERS Wonder database (vaers.hhs.gov/wonder) · Harvard Pilgrim Health Care DHHS study on adverse event underreporting. VAERS reports are pre-COVID averages (2015–2019). Search the VAERS database directly at vaers.hhs.gov for current data by vaccine type.

US population: ~335 million people

~285

Measles cases
2024

~35,000

Pertussis cases
2024

~400

Mumps cases
2023

<10

Rubella cases
per year

~13,000

Scarlet Fever
cases/year

~200

Leprosy cases
per year

Measles

~285 cases / 335M people (2024)

In a well-nourished child, measles is a self-limiting illness: fever, rash, 7–10 days, full recovery. Before vaccination, 3–4 million Americans got measles every year — and the vast majority recovered without consequence. Vitamin A deficiency is the primary driver of serious complications. The WHO administers Vitamin A to measles patients in deficient populations.

Pre-vaccine era: 3–4 million cases/year, ~400–500 deaths. Today: ~285 cases in a nation of 335 million — 0.000085% of the population. Fatality in otherwise healthy US children: ~1–2 per 1,000 cases, concentrated in immunocompromised and Vitamin A-deficient individuals.

Whooping Cough (Pertussis)

~35,000 cases (2024)

In older children and adults, pertussis is an uncomfortable prolonged cough — the "100-day cough" — that resolves without treatment in the vast majority. Dangerous risk is concentrated in newborns under 3 months, before any immune response has developed. The fear narrative targets all ages equally; the biology does not.

Nearly all pertussis deaths occur in infants under 3 months — before the vaccine schedule even begins. In children over 1 year and adults, pertussis is rarely life-threatening. Approximately 5–10 infant deaths per year in the US.

Chickenpox (Varicella)

Pre-vaccine: 4M cases/yr → vaccine 1995

A routine childhood illness for all of human history. Itchy rash, 5–10 days, lifetime immunity conferred. Serious complications are rare in immunocompetent children. Pre-vaccine, 4 million Americans got chickenpox yearly — and approximately 100 died, mostly in immunocompromised individuals.

The CDC's own economic analysis cited parental work-day loss — not child mortality — as the primary justification for universal varicella vaccination. 100 deaths per year in a population of 260 million (1995) = 0.000038%. Natural infection confers lifetime immunity; varicella vaccination does not, and is linked to a documented rise in shingles rates in adults.

Mumps

~400 cases / 335M people (2023)

Swollen salivary glands, mild fever, full recovery in 1–2 weeks in the vast majority of children. Natural infection confers lifelong immunity. The feared complication — orchitis (testicular swelling) — occurs in post-pubertal males, not in children, and rarely causes infertility even then.

Pre-vaccine: 186,000 reported cases/year. Now: ~400 in a population of 335 million. Notably, recent mumps outbreaks have occurred predominantly in vaccinated populations — a documented waning immunity problem the CDC has acknowledged.

Rubella (German Measles)

<10 cases/year in the US

In children and adults, rubella is almost always mild — rash and low fever lasting 3 days. The only genuine risk is congenital rubella syndrome in a fetus if a pregnant woman is infected in the first trimester. In children, rubella is medically insignificant.

The MMR was designed to protect fetuses by creating population immunity — the risk to children themselves is negligible. Fewer than 10 rubella cases are reported annually in the US. Congenital rubella syndrome now occurs at essentially zero in the US.

Scarlet Fever — No Vaccine, No Fear Campaign

~13,000 cases/year

Once killed thousands of children annually. Still circulates today — approximately 13,000 cases reported annually in the US. Treated with penicillin, resolving in days. No vaccine was ever developed. No public fear campaign exists. Leprosy circulates at ~200 cases/year — also no campaign. Compare this to measles at 285 cases generating national news coverage.

The pattern is consistent: public fear tracks the available product, not the actual burden of disease. Where there is no vaccine to sell, there is no manufactured emergency.

Additional vaccines on the US childhood schedule

Influenza (Flu)

~9–45M cases/year

Annual flu vaccination is recommended for everyone 6 months and older — yet flu vaccine effectiveness is officially estimated at 40–60% in a good year, and sometimes significantly lower (as low as 10% when the predicted strain doesn't match). The CDC acknowledges this annually. Influenza deaths vary dramatically by season: ~12,000 in low years to ~52,000 in severe years — most in adults over 65 and immunocompromised individuals.

Healthy children under 5 have extremely low flu mortality. The primary risk group — elderly and immunocompromised — has the weakest immune response to vaccination. Natural infection with influenza confers broader, more durable immunity than the annual vaccine. The seasonal mismatch problem is structural: the next year's vaccine is manufactured before the circulating strain is known.

COVID-19

Emergency authorization → schedule 2023

COVID-19 vaccines were added to the CDC childhood immunization schedule in 2023. COVID-19 mortality in children under 18 is exceptionally rare — approximately 1,500 total US deaths over the first two years of the pandemic in a population of ~73 million children under 18. The risk to healthy children is comparable to or below seasonal flu.

The VAERS database received more adverse event reports for COVID-19 vaccines in 2021 alone than for all other vaccines combined in all prior years. The myocarditis signal — documented in young males after mRNA vaccination — was confirmed by CDC's own Vaccine Safety Datalink. The risk-benefit calculation for healthy children differs fundamentally from the calculation for older adults.

Hib (Haemophilus influenzae type b)

~50 cases/year (from ~20,000)

Hib was a serious cause of bacterial meningitis and epiglottitis in young children. Pre-vaccine, approximately 20,000 cases and 600–1,000 deaths per year. Since the Hib vaccine introduction in 1985–1990, cases dropped to approximately 50/year — one of the clearer examples of vaccination correlating with disease reduction in the target age group.

Hib is one of the stronger cases for vaccine impact. The disease was genuinely dangerous (bacterial meningitis, not a mild illness), the vaccine was introduced before the disease had already declined on its own, and the drop in cases is steep and specific. The honest accounting includes all vaccines — not only the ones that follow the pre-decline pattern.

Polio (IPV)

0 wild cases in US since 1979

Wild polio has not circulated in the US since 1979. The oral polio vaccine (OPV) carried a documented risk of vaccine-associated paralytic polio (VAPP) — approximately 1 case per 2.4 million doses. The US switched entirely to inactivated polio vaccine (IPV) in 2000 specifically to eliminate VAPP. The DDT era correlation with polio paralysis peaks remains documented in the literature and underexplored in mainstream narratives.

The US vaccinates against a disease that has not circulated domestically in 45 years. The continued mandate is justified by global circulation risk. Vaccine-derived poliovirus (VDPV) from OPV use abroad has created new outbreaks in Africa and Asia — a complication of the vaccine itself.

Hepatitis B (given at birth)

First dose: day 1 of life

Hepatitis B is transmitted through blood-to-blood contact and sexual intercourse. The primary risk group is intravenous drug users, people with multiple sexual partners, and healthcare workers — not newborns in hospital nurseries. A newborn's risk of HepB exposure is essentially zero unless the mother tests positive (which is screened prenatally).

The Hep B vaccine is given on day 1 of life — before the infant leaves the hospital — regardless of maternal HepB status. The justification is that some mothers are positive and don't know it. But the prenatal screen catches this. The vaccine contains aluminum adjuvant. A newborn's immune system, liver, and blood-brain barrier are not fully formed at birth. The risk-benefit calculus for a day-1 vaccine against a sexually transmitted and injection-drug-transmitted disease has never been formally studied against a delay schedule.

HPV (Gardasil / Cervarix)

Recommended 11–12 years old

Gardasil targets strains of HPV associated with cervical cancer. HPV is one of the most common sexually transmitted infections — most people clear it naturally within 2 years. Cervical cancer in the US causes approximately 4,000 deaths/year, primarily in women who did not receive regular Pap smear screening.

Gardasil has one of the highest VAERS adverse event profiles of any vaccine on the current schedule — including reports of premature ovarian insufficiency, postural orthostatic tachycardia syndrome (POTS), autoimmune conditions, and deaths in adolescent girls. Japan suspended its HPV vaccine recommendation in 2013 after a surge in adverse event reports. The clinical trials used an aluminum-adjuvant placebo (not a saline placebo), making adverse event comparison between groups non-standard. Regular Pap smears remain the evidence-based standard for cervical cancer prevention and detection.

Documented Adverse Effects — By Vaccine

Every vaccine has a package insert. The following effects are sourced from those inserts, CDC Vaccine Information Statements, VAERS data, and peer-reviewed literature. These are not fringe claims — they are the official disclosures most patients are never shown before consent is obtained.

Vaccine Documented Adverse Effects Noted Concern
MMR Fever, rash, febrile seizures (~1/3,000 doses), thrombocytopenic purpura (~1/30,000), anaphylaxis, encephalitis (rare) Given at 12 months — same window as autism diagnosis. Causation not established; the question was never fully answered by retracted Wakefield study alone.
DTaP Persistent inconsolable crying (>3 hrs), high fever, hypotonic-hyporesponsive episode (limpness/unresponsiveness), febrile seizures, encephalopathy Pertussis component has the highest adverse event profile. Acellular version (DTaP) replaced whole-cell DTP after documented brain damage — the new version still carries neurological flags.
Varicella Vaccine-strain breakthrough varicella, vaccine-strain shingles (reactivation), transmission of vaccine virus to immunocompromised contacts Natural chickenpox infection historically boosted adult immunity against shingles. Universal vaccination removed this natural re-exposure — shingles rates in adults have since increased. A shingles vaccine was then developed to fill the gap.
Influenza Guillain-Barré syndrome (~1–2 additional cases per million doses), febrile seizures in children under 5, narcolepsy (documented with 2009 H1N1 Pandemrix in Europe) Recommended annually for everyone 6 months and older — including pregnant women — despite 40–60% effectiveness in good years and no long-term safety data for repeated annual dosing.
COVID-19 mRNA Myocarditis/pericarditis (especially males 16–24), clotting disorders (J&J adenovirus), menstrual disruption, anaphylaxis, VAERS reports exceeding all prior vaccines combined Emergency use authorization → added to childhood schedule 2023. mRNA platform had no prior licensure history. Long-term immune and reproductive effects unknown. Added to schedule by ACIP vote — not congressional mandate.
Hib Injection site reactions, fever, rare anaphylaxis. Generally the best-tolerated vaccine on the schedule. One of the clearer vaccine-disease correlation cases — the disease was genuinely dangerous, the decline was steep and post-vaccine. Still requires informed consent.
Polio (IPV) Mild injection site reactions; rare anaphylaxis. The historic risk (VAPP — vaccine-associated paralytic polio) was from oral vaccine, discontinued in US in 2000. The US switched from live oral to inactivated vaccine specifically because the oral version was causing more polio than wild virus. That decision is rarely included in the public messaging about polio eradication.
Hepatitis B Anaphylaxis, arthritis, fatigue/chronic fatigue syndromes, demyelinating disorders (multiple sclerosis-like presentations), aluminum adjuvant burden Given on day 1 of life — before the blood-brain barrier is fully formed. Aluminum adjuvant in a newborn whose kidneys cannot yet clear it efficiently. No randomized placebo-controlled trial for day-1 dosing was ever completed.
HPV (Gardasil) POTS (postural orthostatic tachycardia), premature ovarian insufficiency, autoimmune conditions, syncope, seizures, deaths in adolescent girls reported to VAERS Clinical trials used an aluminum-adjuvant placebo — not saline — making adverse event comparisons between groups non-standard. Japan suspended the recommendation in 2013. HPV clears naturally in 90% of people within 2 years. Regular Pap smears remain the evidence-based screen.

Sources: CDC Vaccine Information Statements, manufacturer package inserts, VAERS database, Vaccine Adverse Event Reporting System annual summaries.

The Fear Is Selective

The diseases we are conditioned to fear are the ones with a vaccine developed and marketed for them. The CDC, media, and pharmaceutical industry set the agenda for which pathogens warrant public anxiety. The fear is engineered to match the product. Where there is no product, there is no manufactured panic.

Scarlet fever killed more children than measles at its peak. No vaccine was ever developed. It is not discussed. Leprosy still circulates in the United States — approximately 200 cases annually. No one mentions it. Hepatitis C kills more Americans per year than measles did at its 20th-century peak. The fear does not track the actual risk — it tracks the available intervention.

The diseases that were actually eliminated — TB, cholera, typhoid, scarlet fever — were defeated by sanitation, nutrition, and housing. The ones still marketed through fear are survivable illnesses in well-nourished children that have been redefined as catastrophic risks to justify a product.

Primary Sources

Guyer et al. — "Annual Summary of Vital Statistics: Trends in the Health of Americans During the 20th Century"

Pediatrics, December 2000. The foundational peer-reviewed paper documenting the pre-vaccine disease decline. pediatrics.aappublications.org/content/106/6/1307

CDC — "Achievements in Public Health, 1900–1999: Control of Infectious Diseases"

MMWR — CDC's own report crediting clean water, sanitation, and nutrition for the decline in infectious disease mortality. cdc.gov/mmwr/preview/mmwrhtml/mm4829a1.htm

Goldman & Kimura — "The US Universal Varicella Vaccination Program: CDC Censorship of Adverse Public Health Consequences"

Documents how CDC selectively published studies and blocked publication of deleterious findings. jscimedcentral.com/Pathology/pathology-6-1133.pdf

McFadden — "The Decline of Adult Smallpox in Eighteenth-Century London"

Shows smallpox mortality was declining before the vaccine was introduced. ncbi.nlm.nih.gov/pmc/articles/PMC4373148

Informed consent requires information.

The question isn't whether vaccines have ever helped anyone. The question is whether every vaccine on the current schedule — given on the current timeline, to every child regardless of individual risk — was ever studied against a true inert placebo, and whether the person administering it explained the contents, the documented risks, and your legal right to refuse before you agreed.

That conversation is supposed to happen. In most offices, it doesn't. What's on this page is the starting point for having it.

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