Medical staff shows on February 26, 2020 at the IHU Mediterranee Infection Institute in Marseille, packets of a Nivaquine, tablets containing chloroquine and Plaqueril, tablets containing hydroxychloroquine, drugs that has shown signs of effectiveness against coronavirus. - The Mediterranee infection Institute in Marseille based in La Timone Hospital is at the forefront of the prevention against coronavirus in France. (Photo by GERARD JULIEN / AFP) (Photo by GERARD JULIEN/AFP via Getty Images)