Skeptics Stack Exchange
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Questions tagged [vaccines]

a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

A biological preparation that improves immunity to a particular disease.

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Did Louis Pasteur keep a gun in the laboratory while developing the rabies vaccine?

Is it true that while developing the vaccine for rabies Louis Pasteur kept a gun in his laboratory and had instructed all his lab assistants to shoot anyone in the head who accidentally got infected with the virus? I could only find this in a Reddit…
baba
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Is it dangerous to have several vaccines at the same time?

As a parent, I often hear people say that they think it's bad for their children to have several vaccines in one go. Some parents pay for some vaccines to be given separately, and I wondered if there is any evidence that it makes a difference.
anansias
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Are the mRNA vaccines from Pfizer and Moderna vegan?

The mRNA vaccines from both Pfizer and Moderna contain cholesterol. On the website for the UK National Health System NHS we may read: The COVID-19 vaccines do not contain egg or animal products. Another report indicates it contains no…
LangLаngС
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Are vaccinated children significantly less healthy than the unvaccinated, as recent study claims?

In their 2020 study termed "Relative Incidence of Office Visits and Cumulative Rates of Billed Diagnoses Along the Axis of Vaccination" [full text], appearing in the International Journal of Environmental Research and Public Health, Lyons-Weiler et…
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Did Gandhi call vaccination a barbarous practice?

While searching for a different image on Google, I came across this: The text in the image reads: Vaccination is a barbarous practice and one of the most fatal of all the delusions current in our time. Conscientious objectors to vaccination should…
user11643
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Are "pox parties" safer than vaccines for children?

So-called pox parties have been around in various forms in varying degrees of popularity since the 1980's, and are described on Wikipedia as: A pox party, or flu party or flu fling, is a social activity where children are deliberately exposed to a…
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Did the Covid vaccines lower fertility rates via causing infertility?

In this Slay News article, linked to by popular right-wing aggregator Off The Press: According to independent journalist JD Rucker, the establishment media and their allies are ignoring the obvious. “Ever since the rollout of Covid-19 ‘vaccines,’…
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Is the effectiveness of Pfizer and Moderna vaccines against Omicron negative after three months?

This popular tweet (over 10000 retweets) claims that: This study shows that after three months the vaccine effectiveness of Pfizer & Moderna against Omicron is actually negative. Pfizer customers are 76.5% more likely and Moderna customers are…
Ruslan Oblov
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Does the CDC own vaccine patents?

As a regular skeptic, I often get involved in arguments about vaccines. In a recent discussion this came up: The CDC owns 70 vaccine patents and makes billions of dollar off them A quick google search showed many results affirming this statement,…
Coomie
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How dangerous is thiomersal (thimerosal)?

Some people blame the preservative thiomersal in vaccines for all kinds of illnesses, but mainly for autism. As thiomersal is a mercury compound, there is some plausibility in suspecting it may cause some damage, but is there some hard data on how…
Mad Scientist
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Did Henry Kissinger say this about forced vaccinations?

I found a quote online in the form of a photo from what looks like some newspaper: The photo contains an alleged quote from Henry Kissinger's speech to the WHO Council on Eugenics on February 25, 2009, and it reads: Once the herd accepts mandatory…
csstudent1418
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Does the AstraZeneca COVID-19 vaccine (or any known vaccine) increase infection rates?

The preprint Effectiveness of Covid-19 Vaccination Against Risk of Symptomatic Infection, Hospitalization, and Death Up to 9 Months: A Swedish Total-Population Cohort Study by Nordström, Ballin and Nordström suggests that not only does the…
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Are deaths "skyrocketing" due to vaccination?

I was sent the following link by a friend and they were concerned that someone was passing it around on Twitter. What would be some good refutations for its content? Infowars: Vaccine Deaths And Injuries Skyrocket As Cover-up Implodes "Cases of…
Richard Stelling
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Is it dangerous for vaccinated children to be around unvaccinated children?

Some parents don't want their children to hang around unvaccinated children. An anti-vax argument I've heard is that this suggests the parents believe the vaccines are not effective, if potentially being exposed to the disease still concerns the…
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Does the Pfizer COVID-19 vaccine destroy natural immunity in children?

A September 2022 article in The Daily Sceptic discusses a recent article in the New England Journal of Medicine about the effectiveness of the Pfizer-BioNTech vaccine on children between 5 and 11 years old. A new study published in the New England…
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