Surveillance of avian influenza A(H7N9) virus infection in humans and detection of the first imported human case in Taiwan, 3 April to 10 May 2013

Y C Lo; W C Chen; W T Huang; Y C Lin; M C Liu; H W Kuo; J H Chuang; J R Yang; M T Liu; H S Wu; C H Yang; J H Chou; F Y Chang

doi:10.2807/ese.18.20.20479-en

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Surveillance of avian influenza A(H7N9) virus infection in humans and detection of the first imported human case in Taiwan, 3 April to 10 May 2013
Y C Lo¹ , W C Chen¹ , W T Huang¹ , Y C Lin¹ , M C Liu¹ , H W Kuo¹ , J H Chuang¹ , J R Yang¹ , M T Liu¹ , H S Wu¹ , C H Yang¹ , J H Chou¹ , F Y Chang¹
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Affiliations: ¹ Centers for Disease Control, Taipei, Taiwan

Correspondence:
F Chang
fychang cdc.gov.tw
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Citation style for this article: Lo Y C, Chen W C, Huang W T, Lin Y C, Liu M C, Kuo H W, Chuang J H, Yang J R, Liu M T, Wu H S, Yang C H, Chou J H, Chang F Y. Surveillance of avian influenza A(H7N9) virus infection in humans and detection of the first imported human case in Taiwan, 3 April to 10 May 2013. Euro Surveill. 2013;18(20):pii=20479. https://doi.org/10.2807/ese.18.20.20479-en Received: 03 May 2013

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Abstract

On 3 April 2013, suspected and confirmed cases of influenza A(H7N9) virus infection became notifiable in the primary care sector in Taiwan, and detection of the virus became part of the surveillance of severe community-acquired pneumonia. On 24 April, the first imported case, reported through both surveillance systems, was confirmed in a man returning from China by sequencing from endotracheal aspirates after two negative throat swabs. Three of 139 contacts were ill and tested influenza A(H7N9)-negative.