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Volume 15, Number 9—September 2009

Research

Clinical and Epidemiologic Characteristics of 3 Early Cases of Influenza A Pandemic (H1N1) 2009 Virus Infection, People’s Republic of China, 2009

Cao Bin1, Li Xingwang1, Shu Yuelong, Jiang Nan, Chen Shijun, Xu Xiayuan, Wang ChenComments to Author , and for the National Influenza A Pandemic (H1N1) 2009 Clinical Investigation Group
Author affiliations: Capital Medical University, Beijing, People's Republic of China (C. Bin, W. Chen); Beijing Ditan Hospital, Beijing (L. Xingwang); Chinese Center for Disease Control and Prevention, Beijing (S. Yuelong); Sichuan Province People’s Hospital, Chengdu, People's Republic of China (J. Nan); Jinan Infectious Diseases Hospital, Jinan, People's Republic of China (C. Shijun); Peking University, Beijing (X. Xiaoyuan)

Main Article

Table 2

Clinical characteristics of 3 patients infected with influenza A pandemic (H1N1) 2009 virus, People’s Republic of China, 2009*

Characteristic Patient 1 Patient 2 Patient 3
Chronic illness No No No
Influenza vaccine in last flu season No No No
Highest temperature, °C 38.8 39 39.4
Sore throat Yes Yes Yes
Cough Yes No Yes
Rhinorrhea Yes No Yes
Nasal congestion Yes No No
Headache Yes Yes Yes
Diarrhea No No No
Other symptoms No Decreased appetite Chest pain
Leukocyte count, per mm3 7,900 4,900 5,300
Neutrophil count, per mm3 5,480 2,810 4,000
Lymphocyte count, per mm3 1,540 1,580 1,000
Platelet count, per mm3 166,000 208,000 254,000
C-reactive protein, mg/L 39 Not done 0.3
Findings on chest radiograph Normal Normal Normal
Oseltamivir treatment* Yes Yes Yes
Duration of fever, d 2 3 3
Length of stay in hospital, d† 8 8 8
Outcome Recovered Recovered Recovered

*75 mg 2x/d for 5 d.
†During their stay in hospital, no patient needed oxygen or a ventilator. They were kept in hospitals for isolation and close observation because pandemic (H1N1) 2009 was an infectious disease new to physicians in China.

Main Article

1These authors contributed equally to this article.

2The National Influenza A Pandemic (H1N1) 2009 Clinical Investigation Group: Wang Chen, Cao Bin, Cao Zhixin, Tong Zhaohui (Beijing Chaoyang Hospital, Capital Medical University); Li Xingwang, Zhang Ming, Guo Limin, Chen Zhihai (Beijing Ditan Hospital); Chen Hong (Chengdu Infectious Diseases Hospital); Chen Shijun, Gai Zhongtao (Jinan Infectious Diseases Hospital); Xu Xiaoyuan, Wan Hua, Zheng Bo, Wang Guangfa (Peking University, First Hospital); Jiang Nan (Sichuan Province People’s Hospital); Wu Hao (Beijing Youan Hospital, Capital Medical University); Gao Zhancheng (Peking University, People’s Hospital); Zhao Mingwu (Peking University, Third Hospital); Liang Zongan (Sichuang University Huaxi Medical College); Gao Dachuan (Jinan Chest Hospital); Shu Yuelong, Zhang Weidong, Zhang Yanping (Chinese Center for Disease Control and Prevention);. Deng Guohua (Peking Union Medical College Hospital); Ren Lili (Chinese Academy of Medical Sciences); Zhao Min (Military 302 Hospital, Beijing); Zhu Qingyu (Academy of Military Medical Sciences)

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