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news | August 15, 2026

Does the COVID-19 AstraZeneca vaccine contain any ingredients that can cause COVID-19?

Does the COVID-19 AstraZeneca vaccine contain any ingredients that can cause COVID-19?

COVID-19 Vaccine AstraZeneca stimulates the body's natural defences (immune system). It causes the body to produce its own protection (antibodies) against the virus. This will help to protect you against COVID-19 in the future. None of the ingredients in this vaccine can cause COVID-19.

Does the COVID-19 vaccine AstraZeneca contain any animal products?

The MHRA can confirm that the COVID-19 Vaccine AstraZeneca does not contain any components of animal origin.

What are the common side effects of the Astra Zeneca COVID-19 vaccine?


The most frequently reported adverse reactions are injection site tenderness (68%), injection site pain (58%), headache (53%), fatigue (53%), myalgia (44%), malaise (44%), pyrexia (includes feverishness (33%) and fever ≥38°C (8%)), chills (32%), arthralgia (27%) and nausea (22%).

The majority of these adverse reactions were mild to moderate in severity and usually resolved within a few days of vaccination. Very rare cases of thrombosis with thrombocytopenia syndrome have been reported post-marketing within the first three weeks following vaccination (see section 4.4).

What are the most common adverse reactions to the covid-19 vaccine?

The most frequent adverse reactions in trials were pain at the injection site, fatigue, headache, myalgia (muscle pains), chills, arthralgia (joint pains), and fever; these were each reported in more than 1 in 10 people.

Can you still get Covid after vaccine?

Like all medicines, no vaccine is completely effective, so you should continue to take recommended precautions to avoid infection. Some people may still get COVID-19 despite having a vaccination, but this should be less severe.

36 related questions found

Can I develop immunity to COVID-19 after testing positive for PCR?

If you have previously tested positive for COVID-19, you will probably have developed some immunity to the disease. However, it cannot be guaranteed that everyone will develop immunity, or how long it will last. It is possible for PCR tests to remain positive for some time after COVID-19 infection.

How long after having COVID-19 can I get the spring booster vaccine?


If you are unwell, wait until you have recovered to have your vaccine. If you have had confirmed COVID-19 you should ideally wait 4 weeks before having your spring booster.

What are some common side effects of the COVID-19 vaccine in children?

Common side effects their arm feeling heavy or sore where they had the injection feeling achy or like they have the flu feeling tired having a headache

What are the possible side effects of the BNT162b2 COVID-19 vaccine?

The most common side effects with BNT162b2 (which may affect more than 1 in 10 people) were pain at the injection site, tiredness, headache, muscle pain, chills, joint pain and fever.

Can you get a fever or temperature after the COVID-19 vaccine?

Although a fever can occur within a day or two of vaccination, if you have any other COVID-19 symptoms or your fever lasts longer, stay at home and arrange to have a test.

How does the AstraZeneca COVID-19 vaccine work?

COVID-19 Vaccine AstraZeneca stimulates the body's natural defences (immune system). It causes the body to produce its own protection (antibodies) against the virus. This will help to protect you against COVID-19 in the future. None of the ingredients in this vaccine can cause COVID-19.

What is the recommended dosing interval for the AstraZeneca COVID-19 vaccine?


AstraZeneca COVID-19 vaccine dosing interval. The recommended interval between 2 doses of the AstraZeneca COVID-19 vaccine is 12 weeks. The minimum interval between doses is 4 weeks. The duration of protection after a single dose of AstraZeneca has not yet been established.

How far apart should you wait between the doses of the Oxford COVID-19 vaccine?

The MHRA authorisation includes conditions that the AstraZeneca (Oxford) vaccine should be administered in 2 doses, with the second dose given between 4 and 12 weeks after the first.

Can you take the COVID-19 vaccine if you have allergies?

Most people with allergies (including food or penicillin allergies) can be vaccinated against COVID-19.

Tell healthcare staff before you're vaccinated if you've ever had a serious allergic reaction (including anaphylaxis). They may ask what you're allergic to, to make sure you can have the vaccine.

Can the coronavirus disease be transmitted through the consumption of cooked foods, including animal products?

There is currently no evidence that people can catch COVID-19 from food. The virus that causes COVID-19 can be killed at temperatures similar to that of other known viruses and bacteria found in food.

Can the COVID-19 vaccine affect your ability to drive and use machines?

Driving and using machines

COVID-19 mRNA Vaccine BNT162b2 has no or negligible influence on the ability to drive and use machines. However, some of the effects mentioned under section 4 'Possible side effects' may temporarily affect the ability to drive or use machines.

Is the COVID-19 vaccine safe?


The MHRA confirmed on 9 September 2021 that the COVID-19 vaccines made by Pfizer and AstraZeneca can be used as safe and effective booster doses. Following review of data for the COVID-19 Vaccine Moderna vaccine, the MHRA and CHM experts also concluded that this vaccine can be used as a safe and effective booster dose.

All vaccines and medicines have some side effects. These side effects need to be continuously balanced against the expected benefits in preventing illness. The COVID-19 Pfizer/BioNTech Vaccine was evaluated in clinical trials involving more than 44,000 participants. The most frequent adverse reactions in these trials

Is the Pfizer COVID-19 vaccine approved for 5-11 year olds?


A new paediatric formulation of the Pfizer BioNTech COVID-19 vaccine has been approved for children aged 5 to 11 after meeting the required safety, quality and effectiveness standards.

Does having a kidney disease make me high risk for COVID-19?


Having chronic kidney disease of any stage can make you more likely to get very sick from COVID-19.

How does COVID-19 influence children?


What is COVID-19 or coronavirus? COVID-19 is a very infectious respiratory disease caused by the SARS-CoV-2 virus. Most children who get COVID-19 have no symptoms. Those that do, have mild symptoms like a bad cold. A few children and young people will get very poorly and have to go to hospital.

At what age can children get the COVID-19 vaccine?


The NHS is offering coronavirus (COVID-19) vaccines to children aged 5 to 11 years. Experts have advised that parents of all children aged 5 to 11 years should be offered the chance to have their child vaccinated.

Do children need parental consent for the COVID-19 vaccine?

All parents or those with parental responsibility are asked for consent and will usually make this decision, jointly with their children. The information leaflet is addressed to the child (as the recipient of the vaccine) and encourages them to discuss the decision about the vaccine with their parents.
In secondary schools, some older children may be sufficiently mature to provide their own consent. This sometimes occurs if a parent has not returned a consent form but the child still wishes to have the vaccine on the day of the session. Every effort will be made to contact the parent to seek their verbal consent. The school has no role in this process.

How long do I have to wait for my booster after having COVID-19?


If you have a COVID-19 positive result, when can you have a booster? You will still need the booster but you should wait at least 4 weeks from your COVID-19 infection.

Who is eligible for the COVID-19 spring booster vaccine in the UK?

Protection from the vaccine may be lower and may decline more quickly in these people. For this reason people aged 75 years and over, those in care homes and those aged 12 years and over with a weakened immune system are being offered the spring booster.

What is the maximum interval for receiving the Pfizer-BioNTech and AstraZeneca COVID-19 vaccine?

The committee supports a 2-dose vaccine schedule for the Pfizer-BioNTech and AstraZeneca vaccines. Given the data available, and evidence from the use of many other vaccines, JCVI advises a maximum interval between the first and second doses of 12 weeks for both vaccines.