pieces of wood with covid-19 corona virus and the german acronym for ahal - abstand, hygiene, alltagsmaske on wooden background

2019 abstand acronym aha ahal alltagsmaske background breath care corona coronavirus covid covid19 dangerous disease disinfection distancing epidemic face fever flu german guidelines hands handshake health healthcare hygiene infection influenza mask medical medicine ncov pandemic pieces prevention protect protection quarantine recommendations respiratory risk rules shortness sickness sneezing soap social spread touch touching viral virus wash wood wooden