nurse holding a positive result in the examination of a new fast-spreading coronavirus. originally from wuhan. china

analysis analyzing antibiotics asian bacterial biology bird china chinese clinical closeup collect concept contagious coronavirinae coronavirus coronaviruses diagnosis diagnostic epidemic examination fastspreading flu gloves hand health holding illness immunity infect infection lab laboratory lethal medical microbe microbiology new nurse originally outbreak pandemic pathogen pathogenic pathology positive professional result sars science sickness strain superbug symptoms test testtube tube vaccine virology virus wuhan