Questions tagged [vaccination]

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

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3answers
2k views

Do vaccines cause autism?

It seems the question of vaccine harm has been around at least as long as vaccines1. Specifically, the claim that vaccines can cause or contribute to autism has been hotly debated in the last decade. ...
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Is it advisable for a healthy male in his early 40s to take the influenza vaccine?

Influenza vaccines do not have satisfactory effective rates of preventing flu. Flu vaccination reduces the risk of flu illness by between 40% and 60% among the overall population during seasons when ...
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Father gets chickenpox, but doesn't infect his two children. How is this possible?

My brother in law got chickenpox, yet somehow he didn't infect my two nephews, even though they are living together. According to wikipedia, varicella has an infection rate of 90%: Varicella is ...
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How cautious do I need to be with unvaccinated students around newborns?

I teach martial arts, and my wife teaches dance. I know of one student for sure (And I would presume that there are at least a few others) that have not received the normal United States progression ...
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Why will there be vaccines first before a cure for COVID-19?

I found this link on the internet: 70 vaccines are getting ready for coronavirus: 3 very promising Why is it that there will be vaccines before a cure? Shouldn't it be the other way around? What is ...
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A cheap and easy inactivated vaccine for COVID-19

Suppose a person with COVID-19 coughs into a bag. Let the bag sit in the sun for, say, 72 hours -- so as to make the virus inactive. Could a healthy person breathe in the inactivated virus from the ...
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Why didn't smallpox develop resistance to its vaccine?

Antimicrobial resistance is common. Why didn't smallpox develop resistance to its vaccine? Why was smallpox eradicable?
12
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1answer
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How effective was the 2014-2015 influenza vaccination?

I’m aware that the CDC released this abysmal report on the effectiveness of this year’s influenza vaccination, including data collected through Jan 30, 2015. In practical terms, this means the flu ...
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1answer
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Can the HPV vaccine be effective if you are already infected?

I was just wondering about this subject, when I did a blood exam today and I picked a paper about available vaccines and I saw HPV, the same my mom always bothered me to take it. I'm an adult man with ...
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Why hasn't Russia's daily COVID-19 cases decreased as a result of its vaccine?

On August 11, Russian president Vladimir Putin announced a new vaccine for COVID-19. Since then Russia's COVID charts have looked like this: Evidently the vaccine has had a weak-to-no effect on both ...
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Why is there no toxoplasmosis vaccine?

I assume there is some misunderstanding on my part about the vaccine-creation-process and which factors play a role in it. Below is my current understanding. About toxoplasmosis: Toxoplasmosis is a ...
9
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1answer
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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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Do I have to wait after a tick bite to get vaccinated for encephalitis?

I recently removed a tick I must have caught while camping. Thinking of my plans for the summer (which involve frequently changing clothes in the wilderness), I realized I'd like to get a vaccination ...
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1answer
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Is there evidence that the over-avoidance of germs weakens our immune system?

Is there evidence that the over-avoidance of germs weakens our immune system? Or vice versa: Does the under-avoidance of germs strengthen our immune system? For some reason I hold the opinion that ...
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Is it safe to get a flu shot when living with an elderly person?

I share a house with a healthy nonagenarian. I know the flu can be dangerous for people of advanced age, so I'm considering getting a flu shot this year. Is this a good idea? Are there any risks I ...
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Why aren't other vaccines combined (like the MMR)?

From Public Health England: With single vaccines, children would need 6 separate injections: 3 primary doses - 1 measles, 1 mumps, 1 rubella 3 pre-school boosters Each injection can be ...
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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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Should my kid get a flu shot if I'm coming down with something? [closed]

I've been putting off getting flu shots for myself and my toddler because I've been busy, and finding time has been difficult. Now I'm coming down with the flu. (Or a cold or something - you know how ...
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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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Does flu vaccine contain aluminium hydroxide adjuvant?

I know that some vaccines contain aluminium hydroxide as an adjuvant. Do common flu vaccines contain aluminium hydroxide too? If yes, are there flu vaccines without aluminium hydroxide?
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Delayed vaccination: effect on the immune system

While researching child vaccinations, I found (and will presume was sufficiently verified by the WSJ) that the typical 5-6 vaccines given to a child contain only 150 antigens, while the child's body ...
6
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2answers
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Why is developing a SARS-CoV-2 vaccine expected to take longer than developing the 1957 flu vaccine?

Maurice Hillman developed a vaccine for the 1957 flu pandemic that was ready within five months (1). One commonly hears that it will take at least 12-18 months in total to deploy a vaccine against ...
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Protection against Flu - in 1957?

I came across a cartoon by Giles from the Daily Express of 28 August 1957. There was controversy about US Armed Forces being stationed in the UK at the height of the cold war. Giles, an acute observer ...
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1answer
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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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How can a school be getting an epidemic of whooping cough if most of the students are vaccinated?

Apparently a private school is experiencing an outbreak of whooping cough. However, the article said that only 18 of the students in the school (out of 1500 or so) were unvaccinated, yet already 30 ...
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Are there any central trackers for COVID-19 trials?

There are several aggregate central trackers for the spread of COVID-19. Like this one, for example. Is there anything similar for trials? Or trials in the pipeline? Either vaccines or treatments?
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Why are two influenza vaccinations required for people under a certain age?

According to the CDC, people under 8 who have never had the flu vaccine or flu should get 2 doses at least 28 days apart. The reason given is that "the first dose 'primes' the immune system," but as ...
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Does vaccination weaken the immune system ? Studies?

A friend recognizes value in vaccinating in general - against major diseases - but with a caveat that they are opposed to the flu vaccine specifically. They claim that vaccines weaken the immune ...
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Is it dangerous for an old person to take pneumococcal vaccine (for pneumonia) twice within 2 years?

I have an old relative in her 70s who took some vaccination jabs 2 years ago. She has no idea what jab it was due to her aging mind. I intend to bring her to take pneumococcal vaccine to protect ...
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1answer
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Does efficacy of the flu vaccine change if received while sick with the common-cold?

If one’s immune system was dealing with fighting any common-cold virus infection, does that in any way change the efficacy of the flu vaccine received at that time? I don't know how efficient the ...
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1answer
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Can I contract chickenpox from my child who just got vaccinated?

My child just got the MMRV vaccine that contains a weakened chickenpox virus. If I never had chickenpox symptoms in my life, can I contract it from him? Would also getting vaccinated help?
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Is the 2017-2018 flu vaccine a “good match” for circulating influenza viruses?

I've seen news stories (such as this one) claiming that the 2017-2018 flu vaccine is not a "good match" to circulating influenza viruses. However, the CDC states: Two hundred sixty-two influenza A(...
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Is a child with chickenpox who is vaccinated still contagious?

If a child is vaccinated for chickenpox but she gets the disease anyway, will her vaccination affect the likelihood of transmitting the disease to others?
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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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Is there scientific evidence that spacing out vaccines have any positive effects?

There are parents and doctors that agree to spread out their kids' shots. Supposedly it's easier on the baby (some babies experience fever or other ill reactions to vaccination). But I had a thought ...
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1answer
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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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Could any vaccines be dangerous for people with G6PD enzyme deficiency?

I have searched a lot, but didn't find an answer for this: Are there any vaccines that could be dangerous for people with G6PD enzyme deficiency? About G6PD enzyme deficiency: http://www.g6pd.org/
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Can computer programmers help to find a vaccine against corona?

How can a competition among computer programmers be helpful to find a vaccine against corona? HackZurich, under the patronage of the Federal Department of Home Affairs (FDHA), aims to use the ...
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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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Should I get my kids have pre-exposure rabies vaccination due to our cat

I live in Texas, USA. There is plenty of wildlife around here, and thus considerable records of rabies incidents transmitted by them. We have a cat less than a year old, and had 1st rabies vaccination....
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1answer
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Why would anyone choose a trivalent flu shot when there are thimerosal-free quadrivalent ones available?

My understanding is that quadrivalent flu shots are designed to build immunity to 4 flu virus strains, while trivalent flu shots are designed to build immunity to 3 flu virus strains. Is this ...
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Can this method of immunization for horses serve as a COVID-19 vaccine for humans?

A group of scientist developed Equine polyclonal antibodies (EpAbs) obtained after immunization of horses with the receptor-binding domain of the SARS-CoV-2 viral Spike glycoprotein. https://ri....
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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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Does an hpv vaccination still make sense after age 26?

The US CDC says that an HPV vaccination is recommended up to the age of 26. If you are older than that and not infected yet, why shouldn't it make sense to get vaccinated then?
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Why do we need a rabies vaccine after exposure?

So I understand the need for rabies vaccination "before" exposure since the vaccine basically prepares the immune system, so that in the future should the same intruder enter the body again, the ...
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1answer
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Is the second vaccine dose necessary if seroconversion occurred after the first dose?

My question is applicable to all multi-dose vaccines with vaccination intervals of several weeks, though the specific case that triggered my question was the chickenpox vaccine Varilrix/GSK. My ...
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Vaccines and autoimmunity concerns

Medical papers/books exist linking vaccines to autoimmunity yet I am not able to decide whether they should be considered sound and peer reviewed scientific studies or not. Some examples are: "rare ...
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Will there ever be a universal vaccine for the common cold?

If I get infected once with the virus which causes a common cold, does that mean I will not get infected with the same strain of the virus ever in my lifetime? Is the immune system capable and smart ...
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1answer
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Drinking alcohol after tick-borne encephalitis vaccine

A friend of mine got a tick-borne encephalitis (TBE) shot yesterday, and the doctor said he mustn't drink alcohol for 3 days after getting the shot. Unfortunately, my friend forgot about that for a ...
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Is it true that measles vaccine lead to poor sexual potency for men?

Infectiologist at local medical clinic told me that vaccination against measles is not recommended for men because it harms sexual potency. She said though that it is OK to vaccinate children against ...