Johnson & Johnson says Covid booster shot is 94% effective in the US
Johnson & Johnson Vaccine maker has said that its Covid-19 booster shot has a 94% effectiveness when administered two months ...
Johnson & Johnson Vaccine maker has said that its Covid-19 booster shot has a 94% effectiveness when administered two months ...
A study of Johnson & Johnson’s Covid-19 vaccine has been halted over participants ailment.
The company wants to take up the question of one or two doses in its first phase of trial.
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