Wearing medical mask learning through virtual classes

1 person abandoned application apps app breathing mask call cellphone cell phone cellular phone chats chatting chat child care childcare classes class closed condition contagious corona crisis corona epidemic corona pandemic corona virus pandemic coronavirus corona covid 19 pandemic covid 19 covid 19 covid19 covid danger of infection daycare center daycare centre decommissionin digitalization digitization digitizing diseased diseases disease disused educational institutions educational institution educational system education epidemic plagues epidemic plague epidemic explaining explain face masks face mask field of education fields of education healthcare system healthcare health hearing hear human being illness ill infection prevention infection protection infectious infective infect information technology information instant messaging instant messaging instant messenger instruction interconnected it kindergartens kindergarten knowledge learning learn lessons lesson listen masks mask medical face mask medical masks medical mask medical medicinal medicine messages message messaging messenger app mobile phone mouth nose cover mouth and nose cover mouth and nose protection mouth guard mouth mask mouth protection masks mouth protection mask mouth protection mouth to nose covering networks network news nurseries nursery schools nursery school nursery on line one person online on the phone out of service out of service pandemic pathogens pathogen people persons person phone calls phone call phone phoning problems problem progresses progress protecting protection against infection protection protective clothes protective clothing protective masks protective mask protective uniform protective wear protective protect pupils pupil quarantines quarantine regulations regulation respirator masks respirator mask respirator mask risk of infection risks of infections safety precautions safety precaution safety sars cov 2 save school lesson schools school secure security shelter shut down sickness sick single person skype smartphones smartphone social media social media social networks social network student study surgical mask systems system talking on the phone teachers teacher teaching teach telecommunication telephone call telephones telephone telephoning tutor video call video conferences video conference videoconference videos video virulent viruses virus voice conferences voice conference wearing wear