All the differences between COVID-19 vaccines, summarized in a simple table that you can take to your vaccination appointment
- COVID-19 vaccines from Pfizer-BioNTech, Moderna, Johnson & Johnson, and AstraZeneca all have unique features.
- They vary in effectiveness, side effects, dosage, and ages approved for the shots.
- Here is a table that compares them all. Scroll down to view it.
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Coronavirus vaccines are the world's escape route out of a pandemic that has shut down schools, grounded flights, and left millions dead.
Vaccines from Moderna, Pfizer-BioNTech, AstraZeneca-Oxford University, and Johnson & Johnson have been approved in the West. In the US, all of them have been authorized except AstraZeneca's. In the UK, all of them except Johnson & Johnson's are authorized.
Each is given as a shot in the muscle of the upper arm.
You might not get a choice about which COVID-19 vaccine you get, but all four offer some protection against severe illness, so the advice is to take one if you are offered it.
For the two-dose vaccines, you should have two shots of the same one, where possible.
Speak with your doctor if you are pregnant, breastfeeding, have a specific medical condition, or take medicines -especially if they thin your blood or affect your immune system. Experts have said the COVID-19 vaccines won't make you infertile. Side effects may start within a day or two and should go away within a few days.
A rare adverse-event associated with AstraZeneca and Johnson&Johnson's COVID-19 shots include unusual blood clots in the brain. You should seek urgent medical attention if you have a persistent or severe headache lasting more than three days. Other symptoms to watch out for include: shortness of breath, chest pain, painful limbs and tummy pain.
We've made a table that gives you the key information for each shot, whether you've booked an appointment or not. Scroll down to view it.
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