female hand holds children`s medical protective mask

2019ncov airborne background blue breathing care childrens china chinese closeup concept copy coronaviridae coronavirus cough disease diseases disposable doctor drawings droplets dust epidemic equipment face female fever flu genome gloves hand health healthy holds hospital hygiene illness infection isolated mask medical medication medicine mers microbiology mouth novel orri outbreak person pneumonia protect protection protective quarantine respiratory safety science sickness space surgery surgical syndrome transmitted virology virus white