It is for this reason that hand sanitizers are not as effective as soap and water in preventing the spread of many pathogens, since the latter remain on the hands.
Wakati virusi vya HCoV-OC43 vilisambaa baina ya wanyama na kuambukiza binadamu vikitoka kwa wanyama karibu mwaka wa1890, janga la maambukizi ya pumu lilishuhudiwa.