A researcher works in a lab at the Duke-NUS Medical School, which is developing a way to track genetic changes that speed testing of vaccines against the coronavirus disease (COVID-19), in Singapore

A researcher works in a lab at the Duke-NUS Medical School, which is developing a way to track genetic changes that speed testing of vaccines against the coronavirus disease (COVID-19), in Singapore

A researcher works in a lab at the Duke-NUS Medical School, which is developing a way to track genetic changes that speed testing of vaccines against the coronavirus disease (COVID-19), in Singapore March 23, 2020. Picture taken March 23, 2020. REUTERS/Joseph Campbell