The organization issued this warning six months after the first COVID-19 outbreak.
"Several countries have begun to reopen activities and have suffered major outbreaks of the disease," WHO Director-General Tedros Adhanom Ghebreyesus said.
One million new cases were reported in the last five days alone, mostly in India, the United States and Brazil.
WHO TO SEND TEAM TO CHINA TO INVESTIGATE COVID-19 ORIGINS: Officials from the World Health Organization hold a media briefing with the Pan American Health Organization to discuss the COVID-19 pandemic in the Americas region. https://t.co/DNVEQ2fgG4