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H7N9 Sequences At Two Longgang Shenzhen Wet Markets
Recombinomics Commentary 23:30
December 11, 2013

An infected blood sample came from a chopping board at a stall selling live poultry at the Henggang Henggang market. The other two were found in chicken excrement and a plucking machine from a stall at the Kangqiao market in the Nanwan neighbourhood.

The above comments describe three H7N9 samples collected in the Longgang District in Shenzhen in Guangdong Province, which were near the flat of the Hong Kong index case (36F) who had exposure to a live chicken (see map).  The presence of H7N9 in two different wet markets in Shenzhen raises concerns that H7N9 is widespread.

The two positive wet markets are about 15 miles east of the home and location (see map) of the second Hong Kong case (80M), who did not have contact with live poultry. He did eat chicken that was stored in his freezer and was asymptomatic when he was admitted to Tuen Mun hospital, where the index case was also treated prior to his admission.  He developed symptoms three days after admission, raising nosocomial transmission concerns.

Although the sequence, A/Hong Kong/5942/2013, from the index case was promptly released, the release of the sequence from the second case has been delayed. 

Release of that sequence as well as sequences from the two Shenzhen wet markets would be useful.

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