THAILAND-HEALTH-VIRUS-ANIMAL-VACCINE
This picture taken on May 23, 2020 shows a laboratory technician holding a tray with doses of a COVID-19 novel coronavirus vaccine candidate ready for trial on monkeys at the National Primate Research Center of Thailand at Chulalongkorn University in Saraburi. After conclusive results on mice, Thai scientists from the centre have begun testing a COVID-19 novel coronavirus vaccine candidate on monkeys, the phase before human trials. (Photo by Mladen ANTONOV / AFP) (Photo by MLADEN ANTONOV/AFP via Getty Images)