Inyección panorámica de epidemiólogo asiático en traje de hazmat y máscara respiratoria sosteniendo tubos de ensayo con muestras de sangre aisladas en gris - Foto e imagen de stock

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.