If COVID boosters are so effective, why isn’t everyone getting one?
Hebrew University epidemiologist and public health physician Prof. Hagai Levine said that there is not necessarily proof that a third shot is needed for everyone.
Medical staff receive their third COVID-19 vaccine shot at Meir Medical Center in Kefar Sava, August 13, 2021.(photo credit: AVSHALOM SASSONI/FLASH90)ByMAAYAN JAFFE-HOFFMAN