Vials of Pfizer / BioNTech COVID-19 vaccine concentrate are diluted with 1.8 ml sodium chloride ready to use at Guy’s Hospital.Pool / File Photo via Victoria...
The UK began a national study on Wednesday to investigate whether giving a third “booster” shot of the coronavirus vaccine is safe and effective in extending...
The first dose of the COVID-19 vaccine, but delaying the second dose to people under the age of 65, may reduce the number of people who...
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