1、The Novel CoronavirusNamed 2019-nCoV by WHO前言前言PrefaceCoronavirusisolatedfrompneumoniapatientsinWuhancity.Whatisnovelcoronavirus?目录目录concents010102020303Whoiseasytoinfectnovelcoronavirus?Whatarethechannelsoftransmission?Anyonecanbeinfected.Spraytransmission,contacttransmissionandaerosoltransmission.
2、Whatarethesymptomsafterinfection?Feveristhemainmanifestation.Someknowledgeaboutnovelcoronavirus.Preventionofnovelcoronavirus.Preventionofnovelcoronavirus.Washhandsfrequentlyandwearmasks.Clean,disinfect,ventilateandventilate.MajorinfectiousdiseasesinhistoryMajorinfectiousdiseasesinhistory.COVID-19。Th
3、e black death。Smallpox。010103030202MalariaSpanish fluThe plagueOtherinfectiousviruses.COVID-19 SmallpoxThe black deathTheimpactTheoutbreakplaceTheexplosiontimeCOVID-19 SmallpoxThe black deathCOVID-19 SmallpoxThe black deathwhat can we do?What lesson can we take?The atitude to the inflectiousTHANKYOU FOR LISTENING