The director of WHO now says that a booster moratorium should be in force until 10% of the population in all countries is vaccinated. Israel had previously announced plans to give a third Pfizer dose to residents age 60 and up after an uptick in COVID cases. Above: Administering a booster on August 2 in Tel Aviv. Kobi Wolf/Bloomberg via Getty Images hide caption toggle caption Kobi Wolf/Bloomberg via Getty Images The director of WHO now says that a booster moratorium should be in force until 10% of the population in all countries is vaccinated. Israel had previously announced plans to give a third Pfizer dose to residents age 60 and up after an uptick in COVID cases. Above: Administering a booster on August 2 in Tel Aviv.