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| H7N9 Epidemic Waves - Credit FAO - June 28th |
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Hong Kong's CHP has published their weekly recap of Avian Influenza, which this week details the 6 cases announced on Friday by the Mainland's NHFPC. Four of those cases hail from Wenshan City in Yunnan Province, which is only 100 km from the Vietnamese border town of Lao Cai.
While Yunnan Province had reported two imported cases earlier in the year, these are the first obviously locally acquried cases. It is still unclear exactly what, if any, epidemiological links exist between these cases.Today's six cases are evenly divided between males and females, and uncharacteristically contains 2 mild cases - one of them a 4 y.o. child. Mild cases are rarely reported, and while they are problably fairly common, usually aren't tested and identified.
The official numbers say there have been just over 750 H7N9 cases reported in this 5th epidemic season, but the truth is - we don't really know how many people have been infected - as generally only the `sickest of the sick' get hospitalized, and tested.A few excerpts from today's report:
Avian Influenza Report
Avian Influenza Report is a weekly report produced by the Respiratory Disease Office, Centre for Health Protection of the Department of Health. This report highlights global avian influenza activity in humans and birds.
VOLUME 13, NUMBER 26
Reporting period: June 25, 2017 – July 1, 2017 (Week 26)
(Published on July 4, 2017)
Summary
- Since the previous issue of Avian Influenza Report (AIR), there were 6 new human cases of avian influenza A(H7N9) reported by the National Health and Family Planning Commission (NHFPC) from Yunnan (4 cases), Guizhou (1 case) and Shanxi (1 case). Since March 2013 (as of July 1, 2017), there were a total of 1554 human cases of avian influenza A(H7N9) reported globally. Since October 2016 (as of July 1, 2017), 748 cases have been recorded in Mainland China.
- Since the previous issue of AIR, there were no new human cases of avian influenza A(H5N6). Since 2014 (as of July 1, 2017), 16 human cases of avian influenza A(H5N6) were reported globally and all occurred in Mainland China. The latest case was reported on December 1, 2016.
- Since the previous issue of AIR, there were no new human cases of avian influenza A(H5N1). From 2011 to 2016, 10 to 145 confirmed human cases of avian influenza A(H5N1) were reported to the World Health Organization (WHO) annually (according to onset date). In 2017, there have been so far three cases in Egypt.*
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