送瘟神 人类与传染病的斗争 Send away the Good of Plague Battles to Infectious Diseases
送瘟神- 人类与传染病的斗争 Send away the Good of Plague-Battles to Infectious Diseases
History of Infectious Diseases ● Infection感染 the invasion of the body by any of various infectious agents-including bacteria, viruses, fungi protozoan and worms and the reaction of the body to them or their toxins
History of Infectious Diseases Infection 感染 the invasion of the body by any of various infectious agents – including bacteria, viruses, fungi, protozoan and worms，and the reaction of the body to them or their toxins
Definitions ● Infectious disease感染病( cause The disease caused by infection and or capable being communicable by infection ● Communicable( contagious) disease传染病( transmission) The disease capable of being transmitted from one person to another or from animals intermediate host to human ● Epidemic disease流行病( ncidence) The occurrence of cases of disease in excess of what is usually expected for a given period of time (epidemic hysteria ● Endemic disease地方病( ocation) The disease that is constantly present in people living in a particular location(endemic thyroid disease-goiter
Definitions Infectious disease 感染病(cause) The disease caused by infection and/or capable being communicable by infection Communicable （contangious）disease 传染病(transmission) The disease capable of being transmitted from one person to another or from animals (intermediate host) to human. Epidemic disease流行病(incidence) The occurrence of cases of disease in excess of what is usually expected for a given period of time. (epidemic hysteria) Endemic disease 地方病(location) The disease that is constantly present in people living in a particular location (endemic thyroid disease-goiter)
Human and infectious diseases ● Epidemics流行 Sudden outbreak of diseases in excess of what is expected Pandemics(全球)大流行 Sudden geographically widespread outbreak of diseases
Human and Infectious Diseases Epidemics 流行 Sudden outbreak of diseases in excess of what is expected Pandemics （全球）大流行 Sudden geographically widespread outbreak of diseases
History of Infectious Disease o Prehistoric period Infectious disease rare o Agriculture society Increased transmission o Urban civilization Congestion of urban inhabitation war and travelling result to outbreak of infectious diseases
History of Infectious Disease Prehistoric period：Infectious disease rare Agriculture society：Increased transmission Urban civilization： Congestion of urban inhabitation, war and travelling result to outbreak of infectious diseases
Three factors of transmission of infectious disease Source of infection (Typhoid Mary, 52/7) 受感染的人 Susceptible population 带菌者 .Transmission routes 直接接触 飞沫传染 Direct (1米以内 (1米以外) touch 间接接触 Droplet通过用具传布 Air -borne昆媒介 (媒介) spittle Indirect Indirect insect touch utensils Routes of transmission Speedof sneeze 170km/h 47.2/s
Routes of transmission Three factors of transmission of infectious disease •Source of infection (Typhoid Mary, 52/7) •Susceptible population •Transmission routes Direct touch Indirect touch Droplet spittle Indirect utensils Air-borne insect Speed of sneeze: 170km/h 47.2m/s
Victories over infectious diseases ◆ Smallpox ◆ plague ◆ affluenza ● Diphtheria Measles o Tetanus o poliomyelitis o schistosomiasis
Victories over infectious diseases Smallpox plague Influenza Diphtheria Measles Tetanus poliomyelitis schistosomiasis
天花 smallpox 天花病毒 poxviridae orthopoxvirus 的ADAM pockmarked face, from maculopapular rash to Braised fluid-filled blisters topustules
天花 smallpox 天花病毒 poxviridae othopoxvirus pockmarked face，from maculopapular rash to raised fluid-filled blisters to pustules
天花 smallpox ◆ Egyptian Pharaoh Ramses v died from smallpox in B. C ◆ Frequent outbreak in the history 300 million people died from smallpox in 20th century(100 million died from wars) Ramses v1157 BC
天花 smallpox Egyptian Pharaoh Ramses V died from smallpox in1157 B.C Frequent outbreak in the history 300 million people died from smallpox in 20th century (100 million died from wars) Ramses V 1157 BC
Victims of S Smallpox Louis xv 1777 世祖顺治皇帝 Elizabeth 1533-1603 OR 33 Joseph I d1711 顶治1638-1661 Marry ll1662-1694
Victims of Smallpox Louis XV 1777 Elizabeth I 1533-1603 Joseph I d1711 顺治 1638-1661 Marry II 1662-1694