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Reuters
Reuters
JERUSALEM (Reuters) – A fourth dose of COVID-19 vaccine given to people over 60 in Israel made them three times more resistant to serious illness than thrice-vaccinated people in the same age group, Israel’s Health Ministry said on Sunday. The ministry also said the fourth dose, or second booster, made people over 60 twice as resistant to infection than those in the age group who received three shots of the vaccine. A preliminary study published by Israel’s Sheba medical centre last Monday found that the fourth shot increases antibodies to even higher levels than the third but “probably” not t…