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Los Angeles County residents who are at least 50 years old can receive a second COVID-19 booster shot starting Wednesday, officials announced. The additional booster doses — which amount to a ...
The CDC recommends people ages 12 and older get the new shots, which target the latest Omicron subvariants as well as the original coronavirus strain.
In a clinical trial involving about 300 people, the most common side effects after the Pfizer booster dose included: Pain, redness and swelling at the injection site. Fatigue. Headache. Muscle and ...
The Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, [ 2][ 32] is an mRNA-based COVID-19 vaccine developed by the German biotechnology company BioNTech. For its development, BioNTech collaborated with the American company Pfizer to carry out clinical trials, logistics, and manufacturing. [ 44][ 45] It is authorized for ...
The Oxford–AstraZeneca COVID‑19 vaccine is used to provide protection against infection by the SARS-CoV-2 virus in order to prevent COVID-19 in adults aged 18 years and older. [ 1 ] The medicine is administered by two 0.5 ml (0.017 US fl oz) doses given by intramuscular injection into the deltoid muscle (upper arm).
Booster dose. A booster dose is an extra administration of a vaccine after an earlier ( primer) dose. After initial immunization, a booster provides a re-exposure to the immunizing antigen. It is intended to increase immunity against that antigen back to protective levels after memory against that antigen has declined through time.
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If you are 50 or older: The CDC recommends a second booster shot. If you are 12 or older AND immunocompromised: The CDC also thinks a second booster would be prudent.