Questions tagged [vaccination]

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

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36
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3answers
1k 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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6answers
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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 ...
21
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3answers
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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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2answers
354 views

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 ...
12
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1answer
216 views

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 ...
11
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1answer
450 views

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?
9
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1answer
231 views

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 ...
9
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1answer
214 views

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 ...
9
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2answers
781 views

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 ...
8
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1answer
114 views

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 ...
8
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1answer
132 views

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 ...
8
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1answer
73 views

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 ...
8
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1answer
108 views

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 ...
7
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1answer
173 views

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 ...
6
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2answers
511 views

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?
6
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1answer
355 views

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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1answer
104 views

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 ...
5
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1answer
909 views

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 ...
5
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1answer
104 views

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 ...
5
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1answer
57 views

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 ...
5
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1answer
64 views

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?
5
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1answer
75 views

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 ...
5
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1answer
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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(...
5
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1answer
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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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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 ...
4
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1answer
224 views

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 ...
4
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2answers
166 views

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 ...
4
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1answer
76 views

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 ...
4
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1answer
91 views

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?
4
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1answer
15k views

Could any Vaccines be dangerous for G6PD enzyme deficient people?

I have searched a lot, but didn't find an answer for this: Is there any Vaccines that could be dangerous for G6PD enzyme deficient people? About g6pd : http://www.g6pd.org/
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2answers
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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 ...
4
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2answers
47 views

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....
4
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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 ...
4
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1answer
80 views

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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2answers
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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 ...
3
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1answer
440 views

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 ...
3
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1answer
367 views

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 ...
3
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2answers
107 views

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 ...
3
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1answer
86 views

Infectious risk associated with cat bites

I have a 3 year-old persian cat . She is very playful and like other pets. I make monthly checkups with the vet regarding her vaccines and health. Sometimes while playing she bites and grasps with ...
3
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1answer
58 views

Did I receive the BCG vaccine via stamper, not hypodermic?

Before the BCG (TB) vaccine is given, a Heaf test is first administered, often using a stamper tool which makes many small skin punctures to test the immune response. The stamper I received my Heaf ...
3
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1answer
46 views

Hepaitits B vaccination schedule for children

I am trying to understand the two-dose Hep B vaccination for children. It appears that in the UK, while not part of standard NHS care, the two-dose schedule is approved for those aged 1 and older (cf. ...
3
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1answer
115 views

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 ...
3
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1answer
68 views

Is it normal for the vaccination site to hurt?

I just received a vaccination today at around 9:00 in the morning, and it is still hurting really bad now at 8:40 in the evening. Is this normal?
3
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0answers
15 views

Will vaccinating babies weeks after birth reduce the spread of measles?

I understand that young babies (around 0-6 months old) have antibodies passed from their mothers, which is why they are vaccinated with MMR at 6-12 months old in New Zealand. However, there are still ...
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0answers
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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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0answers
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Is it possible for a specific brand of a vaccine (for Leptospirosis in dogs) to cause hepatic side effects?

I am a veterinarian in Europe and I am facing an unusual case. Within the last month, I have seen two different young dogs (3 years and 4 years old) to whom I administered a tetravalent vaccine for ...
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0answers
35 views

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?
3
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0answers
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Why are dogs only vaccinated once for rabies, while humans need follow-up treatment after being bitten, even with a previous vaccination?

As stated in the title, why are dogs only vaccinated pre-exposure for rabies, while humans need follow-up treatment after being bitten, even with a pre-exposure vaccination? What is causing the ...
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0answers
47 views

What are the differences of the US vaccine schedule compared to other countries?

If the current US vaccine schedule is compared to the vaccine schedule of other large developed countries, what are the most significant differences in the US schedule vs their schedules?
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0answers
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what is protection rate difference between cellular pentavac and acellular pentamaxim vaccination?

I got first 2 doses of vaccination of cellular DPT vaccine vaccine from government hospital, both caused intense irritability and fever to about 103 degree to my 3 month kid. A different doctor of ...