a healthcare worker rubbing the tip of the fingers with alcohol-based hand rub

alcohol alcohol-based antibacterial antiseptic arm automatic care center clean cleanliness clinic closeup control disease disinfect disinfectant disinfection dispenser doctor finger fingers flu gel germ germs hand hands health healthcare healthy hearubbing hospital human hygienic infection infections killing liquid machine nurse palm pandemic people prevent prevention protection rub rubbing sanitizers sanitizing scrubbing skin technology tip tips virus white work worker workplace