Questions tagged [vaccination]

treat with a vaccine to produce immunity against a disease; inoculation.

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2answers
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Was there ever a vaccine candidate that showed negative side effects many months or years after the patient was injected?

The current prognosis for a COVID-19 vaccine to become available is "12-18 months" and a big part of the reason for such a long timeline is the fact that scientists want to ensure that the vaccine is ...
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How do mRNA vaccines work and what are their advantages over traditional vaccines?

How do mRNA vaccines work? To my intuitive understanding, for an mRNA vaccine to work, the mRNAs injected into the patient need to first enter a cell and get translated into proteins. Those proteins ...
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Details on “Health Impact Events” on V-safe Active Surveillance for COVID-19 Vaccines

Some dubious websites (which I won't link) are claiming that COVID-19 vaccine caused disabilities in more than 3.000 people. As a support of this claim, they cite the table "V-safe Active ...
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BNT162b2 mRNA Covid-19 Vaccine efficacy after 1st dose - explain the statistics

Pfizer's paper (Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine) published recently states the following in the Efficacy subsection of the Results section: Between the first dose and the ...
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Is a general vaccine against getting a cold possible?

While the common cold is a broad disease, is it possible to get vaccinated? Is it possible at least in some future, or is it even in theory not possible?
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What are the limits on the amount of pathogens that a body can be immune to at any given time?

Before the seasonal flu vaccine was recommended for all healthy adults, people in developed countries might get vaccinated against on the order of 10 different pathogens and develop immunity for some ...
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Why will COVID-19 last for 12 to 18 months?

In this YouTube video min 0:32, Dr. Samir Gupta, says It typically would last for 12 to 18 months In How the Pandemic Will End in the ll. The Endgame section: No matter which strategy is ...
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Why use sucrose rather than glucose in an injectable vaccine?

These are the ingredients of Pfizer-BioNTech COVID-19 vaccine: Medicinal: mRNA Non-medicinal: ALC-0315 = ((4-hydroxybutyl)azanediyl)bis(hexane-6,1-diyl)bis(2-hexyldecanoate) ALC-0159 = 2-[(...
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Why is the new mRNA vaccine unable to modify human DNA?

One of the most common worries expressed against the new coronavirus vaccine is that, supposedly, injecting mRNA into a cell has the potential to alter the human genome. I am constantly bombarded by ...
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3 Injections for Hep B Vaccine

It has been suggested by my employer that i should get the Hepatitis B vaccine to protect myself. I have had two of the three parts, but this is the first time i have had a vaccine in more than one ...
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Is there a disease where having had the disease provides less protection for the future than the vaccination?

Vaccination makes sure that you have anti-bodies so that your immune system has a heads-start once you get infected. If you were infected before, your body also built anti-bodies. Are there diseases ...
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Is there a benefit of a COVID-19 vaccination if one had COVID-19 before?

I see the clear benefit of the vaccination if one didn't have the disease. However, there are a lot of people who had the disease already. So I assume they also have the anti-bodies? Or is this a ...
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1answer
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Why are some viruses harder to make vaccines for?

A number of common viral disease agents have vaccines produced for them: Hepatitis B, Diphtheria, Influenza (flu), Varicella (chicken pox), Poliovirus (polio), and many more. But many very serious or ...
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Covid-19 spike protein as vaccine?

The genome of Covid-19 was mapped in early Feb. The gene for a protein spike was used to produce these spike proteins. 3-D microscopy of this synthesized spike has been produced. Quoting McLellan from ...
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Can getting the flu shot make you sicker next year?

During college I faithfully got my flu vaccine every year. Shortly after I left college the US had a year with a bad flu vaccine shortage (2004). When discussing the shortage with my coworkers at ...
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Are there diseases for which infection does not grant lasting immunity but a vaccine does?

There has been a lot of discussion about whether people who have COVID-19 and recover will have long-lasting immunity. At the same time, work is underway to create a vaccine for this disease. But if ...
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Best type of flu shot

This October I am going to new Doctor who is close to my home. Old Doctor passed away. I went to CDC website and it lists many type of flu shots http://www.cdc.gov/flu/protect/vaccine/vaccines.htm ...
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Would being infected with every kind of cold virus strain at once be a good immunization or dangerous?

I know colds come from around 200 different kinds of viruses. https://en.m.wikipedia.org/wiki/Common_cold But would it be worth the risk to be purposefully infected with every type of strain that ...
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Are there vaccines which present a risk by being re-taken too early?

A friend of mine lost the vaccination information for one of his children (a 15 yo boy) and has doubts about the date for the next shot against tetanus (which in France comes together with the ones ...
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Are there any epidemiological or laboratory studies on the effectiveness of variolation?

Variolation has been brought up in some circles nowadays as a proposal to deal with the Covid-19 crisis (sometimes by invoking the glorious/revolutionary American past). Looking at the aforementioned ...