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A fourth dose of the Pfizer-BioNTech (BNT162b2) vaccine for over 60 has been approved in Israel. Two retrospective cohort studies now assess its Covid-19 prevention efficacy.
Even as COVID-19 cases drop in the U.S., there are concerns about a future surge because of rising case numbers in Europe.
The fragile and vulnerable will get their fourth COVID-19 vaccine shot from March 1, COVID czar Francesco Figliuolo said Monday, according to ANSA. "We will certainly continue to keep the organization (of vaccination) as it is," said the emergency commissioner
A new study shows protection from the booster wanes after four months, but health experts say a fourth dose is not yet needed.
SEOUL, Feb 14 — South Korea will begin giving out fourth doses of Covid-19 vaccines by the end of February and supply millions of additional home test kits to ease shortages amid a surge in Omicron infections, authorities confirmed on Monday. The surge has pushed daily cases to records, but...