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.
根據世界衛生組織的通告，美國和墨西哥的人類感染A/H1N1型A型H1N1禽流感疫情。 3月18日以來， 2009年，墨西哥的禽流感型別案件具有升級的趨勢。截至4月24日，墨西哥已先後3疫情，共報告病例882的例子，模具62個例子，病死率為7 ％ ，大多數情況下，為年輕的成年人人群。與此同時，美國的報告說， 7例如診斷病例和疑似病例9例如，該案件的症狀很輕，沒有死亡。根據實驗室檢查的初步結果，以前沒有審查豬或人類造成這一疫情型A型H1N1禽流感A/H1N1病毒。
眾所周知，人類感染後的型別A型H1N1禽流感的症狀和感冒相似，患者會出現發燒，咳嗽，疲勞，有食慾不振等。在預防方面，許蕤桁認為，現階段沒有必要擠在一起vaccinates流感疫苗的人，因為防止季節性流感疫苗，以防止型A型H1N1禽流感，而不是有效果。正確的法律形式作出的良好個人衛生習慣，充足的睡眠，參加行使，減少壓力，足夠的營養;出席沖洗手後，特別是已與公共物品，必須先清洗雙手觸及自己的眼睛，鼻子和口再次;打噴嚏和咳嗽時應該使用檔案的貨物，以支付口鼻;室內保持通風等等。