using alcohol gel. washing hands with medical sanitizer gel in medical lab gloves. virus protection equipment on red. clear

2019ncov alcohol antibacterial background bacteria blue care cleanliness clinical concept contagious corona coronavirus covid diagnosis equipment flu gel gloves hand human hygiene infection influenza medical mercury microbe ncov nurse pathogenic pollution prevent protection quarantine red safety sanitizer sars sickness soap strain superbug surgical tap test virologymedical virus warning wash woman