More than 20 countries have found cases of the new H1N1 influenza virus. In all around 1500 cases and 30 deaths have been confirmed. But most have been reported in Mexico and, to a much lesser extent, the United States. The virus was discovered in Mexico in the middle of March. On Tuesday, feder…
超过20个国家已经出现了新型H1N1流感病毒感染的病例。大约有1500例病例和30例死亡病例确诊。但是，大多数报道地病例出现在墨西哥，很少一部分在美国。该病毒是在三月中旬在墨西哥发现的。 周二，美国的联邦官员建议，在学校未发现病例的情况下，不要再停课。新任卫生部长Kathleen Sebelius说，病毒似乎没有当时人们所想的…