Questions tagged [vaccination]

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

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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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What are the models and simulations of the response to the RNA vaccine (empahsis on Moderna etc. Covid-19 vaccines)?

Moderna has started the 1st phase clinical tests of their Covid-19 RNA vaccine on 16/27 of March. My question is - are there any models or simulation techniques that capture the response of the human ...
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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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Does exposure to less than the Minimum Infective Dose act as a vaccine in some cases?

I know that there's no immune response/adaptation of some (relatively) new viruses like HIV for which it's estimated that it would take at least 32,000 years for humans to develop a non-pathogenic ...
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Evidence that SARS-CoV-2 immunity is long lasting?

Public media seems to broadly suggest that a SARS-CoV-2 vaccine is simply a matter of time. However, this not great source suggests that all other common human coronaviruses only provide immunity for ...
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Influenza vaccine status, non-influenza acute respiratory infections, and COVID-19

Disclaimer This is in no way an "anti-vax" post - it is intended as a serious open discussion as to possible interplay between Influenza vaccine status and non-influenza upper respiratory viruses ...
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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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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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Why do we need booster shots, for some viruses but not the others?

When being vaccinated we are given viruses that have been killed or made 'not working' in some other way. Then we get B and T cells that can 'kill' it. For example, for polio, memory B and T cells ...
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How would the tuberculosis vaccine (BCG) decrease severity of COVID-19?

Two academic hospitals in The Netherlands (Nijmegen and Utrecht) just got approval to experiment with using a tuberculosis vaccine (BCG) to try to better protect hospital workers against coronavirus. ...
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Some queries on viruses [closed]

I'm someone from an Engineering background, so these questions might seem stupid, but I'd be grateful if someone could answer them. 1) How do viruses 'die'? Do they even die? I read that viruses are ...
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Vaccines Research - A theorical question just out of curiosity

First of all I'd like to point out that I'm not in any medical field, nor I've the adeguate specific formation to know enough about the topic, so this question is going to be more like a "What if" ...
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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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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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What does administering a vaccine intradeltoid mean?

In some places I have seen that while administering a vaccine it was written that it should be administered "intradeltoid". Does this mean intramuscular at the deltoid place or some different way of ...
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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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Should everyone take the ebola vaccine to achieve global herd immunity?

Ebola virus disease (EVD), also known as Ebola hemorrhagic fever (EHF) or simply Ebola, is a viral hemorrhagic fever of humans and other primates caused by ebolaviruses. 1 Should everyone in the ...
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Can Protein Folding be used to develop a vaccine against the Herpes Simplex Virus (HSV)?

Scientists are researching the possibility to create a universal influenza vaccine 1. The influenza virus already has many strains 2 and evolves itself rapidly into new strains because influenza uses ...
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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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Is PCV13 effective if the suspension is not shaken prior to administration?

PCV13, like other vaccines which are suspensions, should be shaken vigorously to obtain a homogenous, white suspension in the vaccine container immediately prior to use. If this is not done and the ...
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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 ...
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Varicella vaccine UK, benefits vs risk

first question on medicine stackexchange so apologies if formatting isn't right. My specific questions are If vaccinated <5 years old, is the vaccine still likely to be protective at childbearing ...
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In what situations can vaccination lead to autism-like symptoms?

Autism Expert: Case Is "Rare" A pediatrician who serves on a childhood vaccine advisory committee for the U.S. Department of Health and Human Services sees the case differently. "To say ...
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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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What percent of people in the United States are vaccinated against measles?

I am researching measles vaccination rates. Almost every source I have found focuses on immunization coverage among children (of various ages). However, I am curious what the overall population ...
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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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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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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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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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Vaccination boosters - is their precise timing important?

Booster vaccines are typically booked exactly 4 weeks after the prime dose, is it known how important this specific time window is? How is vaccine efficacy changed if boosters are given later than ...
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Would it possible for me to get tested for past viral infection after vaccination?

I may or may not have a viral infection in the past and then I took vaccination for it. Would it possible for me to get tested for past viral infection? For example HPV virus using IGG test.
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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 ...
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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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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 known how often unvaccinated children are contagious with symptom free diseases?

I was looking at the CDC Vaccine Schedule for children, and it says that many of the things kids are vaccinated for may show no symptoms. Do any of those diseases –– mainly haemophilus influenzae, ...
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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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Why do some vaccines require periodical shot updates while others don't?

I was wondering, what is the reason some vaccines provide a lifelong immunity against a disease while others require periodical shots to keep one immunised against a disease.
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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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Wouldn't it be optimal for a human to get all the vaccinations that exist?

Question actually says it all. Since a vaccine can make you immune to a disease/infection X, shouldn't we just get all the available ones? Is there a risk with getting lots of vaccines as an adult? ...
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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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Why is the Rotavirus vaccine can be given only until the age of 8 months and 0 days?

Any idea why there is such a strict age limit for this vaccine? Reference
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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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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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How is the total calculated for influenza vaccination coverage calculated?

I found these data concerning influenza vaccination coverage in Italy. I don't understand how the total is calculated. It is not a simple media. For example, for the season 2016-2017 the data are as ...
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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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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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Details for pre exposure prophylaxis for rabies

I will now be in contact with many unvaccinated dogs. I will have to take the pre exposure course. Please tell me how frequently it is taken. Will I require boosters if a dog bites me after I have ...
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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 ...
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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 ...
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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 ...