日批在线视频_内射毛片内射国产夫妻_亚洲三级小视频_在线观看亚洲大片短视频_女性向h片资源在线观看_亚洲最大网

USEUROPEAFRICAASIA 中文雙語Fran?ais
China
Home / China / Society

First H7N9 flu case in Taiwan

By WANG QINGYUN | China Daily | Updated: 2013-04-25 01:20

Yang Weizhong, deputy director of the Chinese Center for Disease Control and Prevention, said: "We know very little about immunity against this virus and how this virus causes diseases. We are planning to develop vaccines against it. But my personal experience tells me it will be difficult and will take a long time to succeed."

Experts also said human infection of H7N9 is highly likely to have originated from live poultry markets.

"According to the evidence that we've got, birds infected by the virus, especially poultry, and the environment contaminated by the virus are the most likely sources of infection," said Fukuda from the WHO.

First H7N9 flu case in Taiwan

Fight against H7N9 bird flu

This hypothesis is supported by experts' observations in Shanghai, said Anne Kelso at the WHO Collaborating Centre for Reference and Research on Influenza in Melbourne, Australia.

"On April 6, Shanghai rapidly closed down the live poultry markets. It's been very encouraging to see that almost immediately there was a decline in the detection of new cases. The cases that did occur all occurred in the next week (after the shutdown), which were within the incubation period of the virus," she said. "The evidence suggests that closing down live poultry markets is an effective way to reduce the risk of infection."

Shanghai confirmed its first case of a human infected with H7N9 on March 30, and had been reporting sporadic cases of infection almost every day since the beginning of April.

However, all the cases reported showed related symptoms before April 13. The city has not reported a newly diagnosed case for four consecutive days.

Other cities, including Nanjing and Hangzhou, also closed down their live poultry markets.

Kelso said it is important to see if there is a similar decline of new cases in these areas in the coming weeks.

 

Previous Page 1 2 Next Page

Editor's picks
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
主站蜘蛛池模板: 中文字幕天堂在线 | 黄色一级一片免费播放 | 超碰人人在线 | 国产99免费 | 一级黄色网址 | 中国av在线播放 | 性猛交xxxx| 久久97| 在线看日韩 | www.日韩视频| 欧美一级视频免费观看 | 亚洲第一视频在线观看 | 久久国产日韩 | 国产一区二区不卡 | 男人午夜视频 | 亚洲动态图 | 99热国产| 天天干天天操av | 久久五月视频 | 亚洲免费在线视频 | 国产一区二区免费视频 | 久久av色| 精品一区二区三区四区五区 | 欧美日韩在线网站 | 国产999视频 | 日韩欧美一区二区三区久久婷婷 | 91日韩国产 | 色综合五月天 | 美女天堂网 | 日本一区视频在线观看 | 色网在线看 | 色婷av | 成人黄色小视频在线观看 | 深夜福利一区二区 | 第一色综合 | 日韩第一色 | 午夜色网 | 伊人春色影院 | 亚洲人网站 | 亚洲精品一区在线观看 | 黄色大片在线播放 |