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booster shots

1 Sep 2022
The revamped vaccines by Moderna and BioNTech-Pfizer specifically target the currently dominant BA.4/BA.5 omicron subvariants. The jabs are part of a fall vaccination campaign that could begin within days.
27 Nov 2021
Antibodies tend to decrease about six months after the second shot of a vaccine. Many doctors think that booster shots are the solution, but some researchers are also looking into whether T-cells can help.
16 Oct 2021
The German authority on vaccines has suggested extra vaccine doses for people older than 70, as well as care home workers. It also recommended mRNA booster shots for people who received the J&J vaccine.

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