Laporan itu tidak menyebut jika individu terlibat memakai pelitup muka - yang hanya diwajibkan beberapa hari selepas insiden itu.
The reversal of the order resulted in T cell activity at half the potency and one-seventh the antibody levels, the latter still five times higher than two doses of Oxford—AstraZeneca.
Among those who received an AstraZeneca primary course, vaccine effectiveness was around 60% 2 to 4 weeks after either a Pfizer or Moderna booster, then dropped to 35% with a Pfizer booster and 45% with a Moderna booster by 10 weeks after the booster.