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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Have COVID-19 vaccination trials started in Seattle?

I am reading conflicting information on this. In a supposed Associated Press Exclusive, a report went out March 16th saying: U.S. researchers gave the first shots in a first test of an experimental coronavirus vaccine Monday, leading off a…
Chris Rogers
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Does sensitatization require less allergens than elicitation?

In Evidence that Food Proteins in Vaccines Cause the Development of Food Allergies and Its Implications for Vaccine Policy Vinu Arumugham claims: It has been demonstrated that a smaller quantity of allergen is needed to cause…
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Does this study show vaccines are more likely to result in COVID-19 Omicron infection?

A popular tweet claims: Holy moly. 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 39.3% more likely to be…
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Does a vaccine provide additional protection to a previously infected and recovered patient?

The change in literature I've observed during the covid-19 pandemic is certainly prompting this question, but I think the question can be answered broadly in terms of immunology, which does have decade after decade of study, rather than the…
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Is it possible for mrna vaccines to affect DNA?

https://www.forbes.com/sites/victoriaforster/2021/01/11/covid-19-vaccines-cant-alter-your-dna-heres-why/ In this article on Forbes it is claimed that mrna vaccines can't in any way affect DNA. Does this go against new research on reverse…
Puppet master
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Does oral polio vaccine provide lifelong immunity?

From the Wikipedia page for poliomyelitis eradication: A study carried out in an isolated Eskimo village showed that antibodies produced from subclinical wild virus infection persisted for at least 40 years. Because the immune response to oral…
user11643
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Are booster shots for pets required annually to maintain rabies immunity?

There are highly varied state laws and international laws regarding rabies vaccinations for pets - particularly regarding how frequently booster shots are required. This article in the NBC news suggests that annual vaccinations are not…
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Do any Covid-19 vaccines contain "nanoparticles" that can be detected in the blood afterwards and used to determine if a person has been vaccinated?

I spoke with my mom on the phone today and she told me of something she saw on the national TV recently (I don't watch TV). She says that some official person claimed that vaccines contain some sort of "nanoparticles" that remain in the body and can…
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How can the J&J vaccine shot be effective against COVID-19 if it only has a ~60% efficacy rate?

According to the CDC's page on the safety of J&J vaccines, the reported efficacy rate of the vaccine is a staggeringly low 66.3%. That said, the government is still promoting and touting the J&J vaccine as a reliable and effective way to protect…
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Did diseases, decrease over 90% before the introduction of vaccines?

There is this meme going around, which is also used as an anti-vaccine argument, which basically states, that vaccines didn't save millions of lives, because most of the diseases declined by over 90% before the introduction of the vaccines, which…
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Are there 130 Research papers supporting Vaccine/Autism Causation?

According to this compilation by Ginger Taylor, MS, there are 130 research papers supporting vaccine/autism causation. Do all (or at least most) of these papers support the conclusion that one or more vaccines are causal in autism?
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Is Sputnik V the first registered vaccine against COVID-19?

Sputnik V vaccine's official website claims that their product is the first registered against the disease. Sputnik V is the world’s first registered vaccine based on a well-studied human adenoviral vector-based platform.
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Have US Congress and US Supreme Court ruled vaccines to be "unavoidably unsafe"?

Connie Newcome, president of Kansans for Health Freedom said in testimony to the Kansas State Legislature: Vaccines are unavoidably unsafe - ruled as such by the US Congress and US Supreme Court. These unavoidably unsafe products, however, are…
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Do COVID-19 vaccines cause myocarditis in younger men at a rate higher than the virus?

Dr Keith Moran is a practising physician and consultant in internal medicine with a Youtube Channel discussing medicine. In May 2023, he posted a video talking about the risks of myocarditis (inflammation of the heart muscle) from COVID-19…
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Was the testing of Covid-19 vaccines "rushed" or "unprecedented"?

Recently, a tweet was made by a Canadian politician, containing a video of a Canadian Member of Parliament, Anthony Housefather, who made some fairly outrageous claims regarding the production of Covid-19 vaccines. Among those claims are the…
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