Hungarian ballet dancer Zsolt Kovacs performs a choreographic piece he has designed for the 'coronavirus melody', a musical composition created by MIT scientists from a model of the protein structure of SARS-CoV-2 in Budapest, Hungary. REUTERS/Bernadett Szabo

Flower growers work at a flower field in Hangzhou in China's eastern Zhejiang province. AFP / STR

French free-runner Simon jumps as he performs on a rooftop in Paris during a strict lockdown in France aimed at curbing the spread of the COVID-19 infection caused by the novel coronavirus. AFP/Philippe LOPEZ

Howard X, an Australian-Chinese impersonating North Korean leader Kim Jong-un wearing face masks to avoid the spread of the coronavirus disease is seen during an anti-government protest in Hong Kong. REUTERS/Tyrone Siu

A woman walks by a depiction of a medical staff wearing protective equipment, executed in the style of orthodox icons, in Bucharest, Romania. (AP Photo/Vadim Ghirda)

Suzanne Valette 88 year old infected with COVID-19, meets with her son Philippe Melard through a plexiglass lock inside the contenair at the Buissonets retirement home, in Horion-Hozemont a section of the municipality of Grace-Hollogne. AFP/JOHN THYS