According to the World Health Organization circular US and Mexico has the human to infect A/H1N1 the Type A H1N1 flu epidemic situation. Since March 18 2009 the Mexican flu type case has assumed the trend of escalation. Up to April 24 Mexico has 3 epidemic situations successively altogether reported that the case 882 examples die 62 examples the case fatality rate 7% majority of cases for young adults crowd. At the same time the US reported that 7 example diagnosis case and 9 example suspected cases the case symptom is light does not have the death. According to the laboratory examination\'s preliminary result formerly not examined in the pig or the humanity causes this epidemic situation Type A H1N1 flu A/H1N1 virus.

it is known that after the human infects the Type A H1N1 flu\'s symptom and cold is similar the patient will appear has a fever the cough wearily to have a poor appetite and so on. In the prevention aspect Xu Ruiheng thought that the present stage necessity has not huddled together vaccinates the person influenza vaccine because prevents the seasonal influenza vaccine to prevent the Type A H1N1 flu and not to have the effect. Correct makes the law forms the good personal hygiene habit sufficient sleep attendance in exercise reduced pressure enough nutrition; The attendance washes the hands after particularly has contacted the public goods must wash the hands first touches own eye the nose and the mouth again; Sneezes and cough time should use the paper goods to cover the oronasal; The indoor maintains ventilates and so on.

根据世界卫生组织的通告，美国和墨西哥的人类感染A/H1N1型A型H1N1禽流感疫情。 3月18日以来， 2009年，墨西哥的禽流感类型案件具有升级的趋势。截至4月24日，墨西哥已先后3疫情，共报告病例882的例子，模具62个例子，病死率为7 ％ ，大多数情况下，为年轻的成年人人群。与此同时，美国的报告说， 7例如诊断病例和疑似病例9例如，该案件的症状很轻，没有死亡。根据实验室检查的初步结果，以前没有审查猪或人类造成这一疫情型A型H1N1禽流感 A/H1N1病毒。

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众所周知，人类感染后的类型A型H1N1禽流感的症状和感冒相似，患者会出现发烧，咳嗽，疲劳，有食欲不振等。在预防方面，许蕤桁认为，现阶段 没有必要挤在一起vaccinates流感疫苗的人，因为防止季节性流感疫苗，以防止型A型H1N1禽流感，而不是有效果。正确的法律形式作出的良好个人 卫生习惯，充足的睡眠，参加行使，减少压力，足够的营养;出席冲洗手后，特别是已与公共物品，必须先清洗双手触及自己的眼睛，鼻子和口再次;打喷嚏和咳嗽 时应该使用文件的货物，以支付口鼻;室内保持通风等等。