Panoramaaufnahme eines asiatischen Epidemiologen in Warnanzug und Atemschutzmaske, der Reagenzgläser mit auf grau isolierten Blutproben hält - Stockfoto & -bild

Covid-19, coronavirus disease, healthcare workers concept. Serious asian female doctor, professional researcher in personal protective equipment showing okay gesture, holding test-tube with vaccine.

Covid-19, preventing virus, health, healthcare workers and quarantine concept. Determined young doctor or nurse working with patients sick coronavirus, pointing fingers up, wear protective suit.

Covid-19, preventing virus, health, healthcare workers and quarantine concept. Close-up serious female doctor, nurse in personal protective equipment, put on respirator, look camera determined.