I am grateful to
#Japan
🇯🇵 for its strong support to the global
#COVID19
response, including its US$46m contribution to
@WHO
's efforts in support of affected countries. Thank you Ambassador Kazuyuki Yamazaki and
@MofaJapan_en
for their commitment to protecting people's health.
New and important data on Delta breakthrough infections, large Qatar experience and follow-up of > 1.2 million vaccinees
2-doses vaccine effectiveness vs infections
Pfizer 53.5%
Moderna 84.8%
Either 57.2%
(replicates gap of recent Mayo Clinic study)