Nature, Vol.589, No.7843, 504-505, 2021
Are COVID vaccination programmes working? Scientists seek first clues
Vaccinated people in Israel are less likely to test positive for SARS-CoV-2, but a population-wide effect will take time to become clear. Vaccinated people in Israel are less likely to test positive for SARS-CoV-2, but a population-wide effect will take time to become clear.