Pernambuco confirma 337 novos casos da Covid-19 e 87 mortes nas últimas 24h

This photo taken on June 9, 2020 shows a laboratory researcher working at a lab at the Yisheng Biopharma company, where researchers are trying to develop a vaccine for the COVID-19 coronavirus, in Shenyang, in China's northeast Liaoning province. - Inside Yisheng Biopharma, one of the Chinese labs racing to create a coronavirus vaccine, researchers work weekends, lab monkeys are in short supply and plans are being made for human trials abroad. (Photo by NOEL CELIS / AFP) / TO GO WITH Health-virus-China-vaccines,FOCUS by Qian Ye and Matthew Knight