文档介绍：Ebola viruscontentPart 1 The latest news about EbolaPart 2 Definition and characteristicsPart 3 Spreading means and symptomsPart 4 Preventive measuresThe numbers of new cases are declining A new ine will end the outbreakA significant improvementquarantine(隔离) measures on health workersurge governments to support their deploymenttheinformationwillbemisinterpreted“Yourpettigerisundercontrol” infectionrates-----oscillate areas ------- reinfectedThegreatestpeacetime challengeThe most concern -----It may spread into Asia DefinitionEbola virus disease (formerly know as Ebola hemorrhagic fever )is severe, often fatal illness, with a case fatality rate of up to 90%. It is one of the world’s most virulent diseases .The illness affects humans and nonhuman primates (monkeys, gorillas and chimpanzees). 1976 a village near the Ebola River in the Democratic Republic of Congo a remote area of origin of the virus is unknown but fruit bats (Pteropodidae) are considered the likely host of the Ebola virus, based on available :heat resistance 60 degrees Celsius 60minutesThe incubation period :2 to 21 dayssusceptibility :Widespread population susceptibility, unrelated to their age and genderInfluence :So far ,it is the one of the virus of highest fatality rate in the world ,as high as 90%AidsSARS Ebolalevel 2Level 3 Level 4The higher level, more rigorous protectionHow does it spread??Transmission :Through the wild animals to human, sick people can spead it to others easily?Even Contact with dead bodies can also cause infection. Be careful!an汗液fluid排泄物excretion血液Blood唾液saliva