WHO chief hails Pfizer COVID vaccine news as ‘encouraging’

WASHINGTON — The World Health Organization chief hails as “encouraging” Pfizer and BioNTech’s announcement that the vaccine they have jointly developed is 90 percent effective in preventing COVID-19 infections in ongoing Phase 3 trials.

“We welcome the encouraging vaccine news from @pfizer & @BioNTech_Group & salute all scientists & partners around the who are developing new safe, efficacious tools to beat #COVID19,” WHO director Tedros Adhanom Ghebreyesus says in a tweet.

— AFP

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