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Thursday, February 10, 2011

Hong Kong : Tamiflu-resistant human swine influenza virus detected

Another press release from the Centre for Health Protection :

" The Department of Health's Public Health Laboratory Services Branch (PHLSB) today (February 9) detected a strain of human swine influenza (HSI) virus which was resistant to oseltamivir (Tamiflu).

A department spokesman said the virus was identified during PHLSB's routine sensitivity tests of the HSI virus to oseltamivir and zanamivir.

"This is the eighth case of Tamiflu resistance to HSI virus detected in Hong Kong.

"Tests showed that this strain is sensitive to zanamivir (Relenza)," he said.

The virus was isolated from the specimen taken from a 53-year-old woman who has underlying chronic disease and is on long-term immunosuppressive therapy. She developed flu-like symptoms since January 16. She was admitted to United Christian Hospital (UCH) on January 19 and her nasopharyngeal aspirate specimen taken on January 24 tested positive for HSI virus and was sensitive to Tamiflu. She was discharged on January 24 in stable condition."

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