文档介绍：What is the influenza A(H7N9) virus? Influenza A H7 viruses are a group of influenza viruses that normally circulate among birds . The influenza A(H7N9) virus is one subgroup among the larger group of H7 viruses. Although some H7 viruses (H7N2, H7N3 and H7N7) have occasionally been found to infect humans, no human infections with H7N9 viruses have been reported until recent reports from China. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 什么是甲型 H7N9 流感病毒? 甲型流感的 H7 病毒是一组通常在鸟类中传播的流感病毒。甲型 H7N9 流感病毒属于 H7 病毒大类下的一个亚群。虽然偶尔会有某些 H7 病毒(H7N2 、 H7N3 、 H7N7) 感染人类的报告,但过去没有人类感染 H7N9 病毒的报告,直到中国最近报告出现了这种病例。 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. What are the main symptoms of human infection with influenza A(H7N9) virus? Thus far, most patients with this infection have had severe pneumonia. Symptoms include fever , cough and shortness of breath . However, information is still limited about the full spectrum of disease that infection with influenza A(H7N9) virus might cause. 到目前为止,感染 H7N9 病毒的绝大多数病人会出现严重肺炎,症状包括发烧、咳嗽、气短。不过,对于感染甲型 H7N9 流感病毒后可能产生的全部症状的认知仍是有限的。 Evaluation only. Evaluation only. Created with