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KMID : 0191120180330070049
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Journal of Korean Medical Science
2018 Volume.33 No. 7 p.49 ~ p.49
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Hospital-based Influenza Morbidity and Mortality (HIMM) Surveillance for A/H7N9 Influenza Virus Infection in Returning Travelers
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Song Joon-Young
Noh Ji-Yun
Lee Ja-Cob
Woo Heung-Jeong
Lee Jin-Soo
Wie Seong-Heon
Kim Young-Keun
Jeong Hye-Won
Kim Shin-Woo
Lee Sun-Hee
Park Kyung-Hwa
Kang Seong-Hui
Kee Sae-Yoon
Kim Tae-Hyong
Choo Eun-Ju
Lee Han-Sol
Choi Won-Suk
Cheong Hee-Jin
Kim Woo-Joo
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Abstract
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Since 2013, the Hospital-based Influenza Morbidity and Mortality (HIMM) surveillance system began a H7N9 influenza surveillance scheme for returning travelers in addition to pre-existing emergency room (ER)-based influenza-like illness (ILI) surveillance and severe acute respiratory infection (SARI) surveillance. Although limited to eastern China, avian A/H7N9 influenza virus is considered to have the highest pandemic potential among currently circulating influenza viruses. During the study period between October 1st, 2013 and April 30th, 2016, 11 cases presented with ILI within seven days of travel return. These patients visited China, Hong Kong, or neighboring Southeast Asian countries, but none of them visited a livestock market. Seasonal influenza virus (54.5%, 6 among 11) was the most common cause of ILI among returning travelers, and avian A/H7N9 influenza virus was not detected during the study period.
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KEYWORD
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Influenza, H7N9 Virus, Influenza-like Illness, Surveillance
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