1、Zika Virus DiseaseZika Virus Disease寨卡病毒病寨卡病毒病2024/5/27 周一.1一、定义 寨卡病毒(又译兹卡病毒):1947年病毒被发现,为RNA病毒,直径20nm,是一种通过蚊虫进行传播的虫媒病毒,宿主不明确,主要在野生灵长类动物和栖息在树上的蚊子,如非洲伊蚊中循环。1.Definition Zika Virus:Found in1947,RNA virus,Diameter 20nm.It is a arbovirus that spreads through mosquitoes.Its hosts are not undefined yet,wi
2、ld quadrumana and mosquitoes live in trees are mainly suspected targets,for example African aedes mosquitoes.2024/5/27 周一.2二、感染的临床特点:寨卡病毒病的潜伏期尚不清楚,可能为数天。感染者中,只有约20%会表现轻微症状,典型的症状包括低热、斑丘疹、关节疼痛、结膜炎,其他症状包括肌痛、头痛、眼眶痛及无力。症状通常较温和,症状持续数天到1周后缓解,症状严重需要住院者少见,病死率极低。2、Clinical Feature of InfectionZikas incubation
3、 period isnt undefined yet,maybe several days.20%infected persons have mild symptoms,such as mild fever,skin rashes,joint pain,conjuctivitis,and,sometimes,some have muscle pain,headache,eye socket pain and get weak.All symptoms above are usually mild and keep for days to one week.Its rare case to ke
4、ep in hospital for curing.Case fatality rate is very low.2024/5/27 周一.31 1 1 1月月月月28282828日,世日,世日,世日,世卫组织卫组织:寨卡病:寨卡病:寨卡病:寨卡病毒在美洲毒在美洲毒在美洲毒在美洲“爆炸式爆炸式爆炸式爆炸式”传传播播播播美洲美洲预计该病毒可能在美洲感病毒可能在美洲感染染300300万至万至400400万人。哥万人。哥伦比比亚感染寨卡病毒案例已超感染寨卡病毒案例已超过 3 3 万例,是目前寨卡病毒疫情最万例,是目前寨卡病毒疫情最严重的国家之一,政府称有重的国家之一,政府称有50005000名孕名孕
5、妇被病毒感染被病毒感染据公告称:截止据公告称:截止2 2月月2626日,寨日,寨卡病毒已蔓延全球卡病毒已蔓延全球 4040 个个国家国家和地区。和地区。三、目前世界形三、目前世界形势3、EpidemicsSituationworldwide28282828thththth January January January January,WHO DeclaredWHO DeclaredWHO DeclaredWHO Declared:America America America America H H H Happenedappenedappenedappened Zikas Explosiv
6、eZikas ExplosiveZikas ExplosiveZikas Explosive TransmissionTransmissionTransmissionTransmission.America estimated that probably 3 to 4 million people will be infected by Zika.There has been more than 30 thousand cases in Columbia,which is one of the most serious countries that suffer from Zika virus
7、.Columbia declared that about 5 thousand pregnant women were infected.Zika has spread in 40 countries and regions until 26th Feb.2024/5/27 周一.4 Locally-acquired cases or virus isolation 发现病例或进行病毒隔离 Serosurvey data only 只血清学调查数据2024/5/27 周一.5巴西卫生部长称,自10月以来已经在4180例疑似病例中确诊了270例小头畸形(microcephaly)与寨卡病毒相关
8、的神经疾病。2014年全年巴西仅报告约150病例。Brazils health ministry said it had confirmed 270 cases of microcephaly the neurological condition linked to Zika out of 4,180 suspected cases since October.Only about 150 cases were reported in Brazil in the whole of 2014.2024/5/27 周一.62 2月月1 1日,日,世界卫生组织(WHO)宣布寨卡病毒为全球紧急公共卫生
9、事件。这意味着,世卫组织将寨卡病毒与埃博拉(Ebola)置于同一类别,并且启动了一系列可以用来应对该威胁的筹资机制和政策措施。February 1st,Zika has been declared a global emergency by the World Health Organization,which almost means that the WHO has put Zika in the same category as Ebola and unlocked a range of funding mechanisms and policy measures that can be
10、 drawn on to tackle the threat.2024/5/27 周一.7四、国内流行形势2月9日,我国确诊首例输入性寨卡病毒感染病例。为广东省东莞市某公司工作人员,发病前有委内瑞拉旅行史。2月14日,患者痊愈出院。截至2月28日,我国一共确诊了8例感染者,其中江西省1例,广东省3例,浙江省4例,均为输入性病例。4 4、EpidemicsEpidemicsSituationSituationininChinaChina9th Feb,in China,the first patient of Zika virus disease was found.The patient wa
11、s infected by Zika when travelled in Venezuela and came back China.14th Feb,the patient was cured and left hospital.8 cases were confirmed until 28th Feb,one in Jiangxi province,3 ones in Guangdong province and 4 ones in Zhejiang province.All of them were imported from abroad.2024/5/27 周一.8五、流行病学特点传
12、染源染源患者、患者、隐性感染者和寨卡病毒性感染者和寨卡病毒感染的非人灵感染的非人灵长类动物是可物是可能的能的传染源染源.传播途径播途径1 1、最主要的途径:伊蚊叮咬、最主要的途径:伊蚊叮咬2 2、母、母婴传播,包括播,包括宫内感染内感染和分娩和分娩时感染。感染。3 3、血源、血源传播和性播和性传播。播。人群易感性人群易感性普遍易感,曾感染普遍易感,曾感染过寨卡病毒寨卡病毒的人可能的人可能对再次感染具有免再次感染具有免疫力疫力。5.E5.Epidemiological Fpidemiological FeatureeatureSourceofInfectionPatient,latent inf
13、estors and nonhuman quadrumana infected by Zika virusRouteofTransmission1、Primary route:bited by aedes mosquito 2、Mother-to-fetus 3、Blood and sex SusceptibilityofPopulation It is susceptive to all people.People maybe gets the immunity after being infected by Zika at first time.2024/5/27 周一.9目前并无特效药。
14、寨卡病毒病通常相对温和,感染者只需多喝水,注意休息,不需要做出特别处理。症状明显时以对症治疗为主。高热不退患者可服用解热镇痛药。在登革热被排除之前尽量避免给予阿司匹林等非甾体类抗炎药物治疗。发病第一周内,实施有效的防蚊隔离措施,以避免通过虫媒传染给他人。对感染寨卡病毒的孕妇,建议每3-4周监测胎儿生长发育情况。六、治六、治疗6、TherapySo far,there is no specific medicine for So far,there is no specific medicine for Zika.Zika.Zika virusZika virus disease is mild
15、.I disease is mild.In general,it n general,it isnt necessary to do special treatments isnt necessary to do special treatments except for serious symptoms.You only need except for serious symptoms.You only need to drink more water and get enough rest.to drink more water and get enough rest.You can ta
16、ke analgesic-antipyretic pills You can take analgesic-antipyretic pills when high fever is hard to cool down.when high fever is hard to cool down.Youd better not to take Youd better not to take NSALDS like Aspirin if Dengue Fever isnt eliminatedif Dengue Fever isnt eliminated yet.yet.At the first we
17、ek that symptoms appear,At the first week that symptoms appear,taking effective measures to protect taking effective measures to protect yourself from mosquitoes.Because mosquitoes yourself from mosquitoes.Because mosquitoes biting patients will transmit virus to other biting patients will transmit
18、virus to other people.people.For pregnant women infected by Zika,it is For pregnant women infected by Zika,it is suggested to track the situation of growth suggested to track the situation of growth and development of baby every 3 or 4 weeks.and development of baby every 3 or 4 weeks.2024/5/27 周一.10
19、无、低、中、高风险地区7、预防防 Prevention风险预测地地图Risk Forecast MapRisk Forecast Map我国伊蚊分布广泛,具我国伊蚊分布广泛,具备暴暴发条件条件.Aedes mosquito exists widespreadly in China.It is a great risk to cause explosive epidemic of Zika virus disease.风险程度 Risk Level高High低 Low2024/5/27 周一.11寨卡病毒的抵抗力不寨卡病毒的抵抗力不详,但其属于黄病毒属,黄病毒属,但其属于黄病毒属,黄病毒属的病毒
20、一般不耐酸、不耐的病毒一般不耐酸、不耐热。60306030分分钟可可灭活,活,70%70%乙乙醇、醇、1%1%次次氯酸酸钠、脂溶、脂溶剂、过氧乙酸等消毒氧乙酸等消毒剂及紫外及紫外线照射均可照射均可灭活。活。There is no detailed files about resistance of Zika virus,It belongs to the genus flavivirus,which is not acid-resisting and heat-resisting.The genus flavivirus will be killed in 60 for 30 minutes,
21、and it also can be deactivated by disinfector as 70%Alcohol,1%Sodium Hypochlorite,fat solvent,peracetic acid and so on.Ultraviolet radiation also has a good effect on killing the genus flavivirus.2024/5/27 周一.12八、具体八、具体预预防措施:防措施:使用驱虫剂;穿戴尽可能覆盖身体各部位的衣服,而且最好是浅色衣服;采用纱网、门窗紧闭等物理屏障;睡觉使用蚊帐;将水桶、花盆或者汽车轮胎等可能蓄水
22、的容器实施排空、保持清洁或者加以覆盖,从而去除可使蚊虫滋生的环境。8 8、Detailed Measures of Detailed Measures of PreventionPrevention:Using vermifugePut on clothes that can protect all over your body,light colour clothes are betterResist mosquitoes by the way as gauze net,closing screen doors and windows tightly and so onKeep mosqui
23、to net closed well when sleepingClean hydrops in places where mosquitoes reproduce,such as bucket,flowerpot,sewer and so on.2024/5/27 周一.13巴西:巴西:巴西:巴西:全国全国全国全国灭灭蚊行蚊行蚊行蚊行动动 BrazilBrazil:Anti-mosquitoCampaignAnti-mosquitoCampaignVermifuge CreamKill Mosquitoes by Special Fog 2024/5/27 周一.142024/5/27 周一
24、.15后面内容直接删除就行资料可以编辑修改使用资料可以编辑修改使用2024/5/27 周一.16主要经营:网络软件设计、图文设计制作、发布广告等公司秉着以优质的服务对待每一位客户,做到让客户满意!2024/5/27 周一.17致力于数据挖掘,合同简历、论文写作、PPT设计、计划书、策划案、学习课件、各类模板等方方面面,打造全网一站式需求2024/5/27 周一.18The user can demonstrate on a projector or computer,or print the presentation and make it into a film to be used in a wider field2024/5/27 周一.19