Investigation on a seasonal influenza accompanying with the first locale novel A/H1N1 influenza outbreak in China
To timely summarize past experience and to provide more pertinent reference for control and prevention in A/H1N1 cases in influenza season. During May 25 to 31, 2009, 2 secondary community cases caused by a influenza A/H1N1 imported case. In the close contacts of 3 A/H1N1 cases, 14 had some aspirato...
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Published in | Zhōnghuá yùfáng-yīxué zázhì Vol. 43; no. 10; p. 852 |
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Main Authors | , , , , , , , , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
China
01.10.2009
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Subjects | |
Online Access | Get more information |
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Summary: | To timely summarize past experience and to provide more pertinent reference for control and prevention in A/H1N1 cases in influenza season.
During May 25 to 31, 2009, 2 secondary community cases caused by a influenza A/H1N1 imported case. In the close contacts of 3 A/H1N1 cases, 14 had some aspirator symptoms onset, such as fever (> or = 37.5 degrees C), cough, sore throat and etc. Laboratory tests excluded the infection of A/H1N1 influenza. For throat swab test for the 14 cases, 7 were tested for seasonal influenza virus. A face-to-face or telephone interview was conducted by CDC staff to collect information of 62 close contacts.
Of 14 fever cases, there was no significant by differences by age[15-age group: 19.2% (5/26), over 25-age group: 25.0% (9/36); chi(2) = 0.287, P = 0.592]; by sex group [24.0% (6/25) for male and 21.6% (8/37) for female; chi(2) = 0.048, P = 0.826], by working units [dressing and design, photograph, saleroom and others, consumer group: 42.1% (8/19), 27.3% (3/11), 12.5% (2/16) and 6.3% |
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ISSN: | 0253-9624 |