Manila, Nov. 17 -- The World Health Organization (WHO) on Monday said it was "cautiously optimistic" about encouraging news on the coronavirus disease 2019 (Covid-19) vaccine.
However, it added it was "extremely concerned" over surging cases in Europe and the Americas where health workers and systems are being pushed to the "breaking point".
"This is not the time for complacency," said WHO Director-General Tedros Ghebreyesus in a news conference from the organization's headquarters for the first time in two weeks since he self-quarantined after making contact with a person who tested positive for Covid-19.
"While we continue to receive encouraging news about Covid-19 vaccines and remain cautiously optimistic about the potential for new t...