A French firefighter from Marins Pompiers unit of Marseille wearing protective equipment shows a test tube as he working at the PCR machine on a mobile unit, which can detect the presence of SARS-CoV-2 in the environment after prelevment in Marseille on 03 April, 2020, during the strict lockdown in France to stop the spread of the novel coronavirus. – Already capable of fighting the threat of bioterrorism and poisons like anthrax, the Marseille firefighters are now hunting another adversary, the SARS-CoV-2, a virus that has killed nearly 55,000 people worldwide. (Photo by Christophe SIMON / AFP) (Photo by CHRISTOPHE SIMON/AFP via Getty Images)