Wednesday, April 10, 2019

Taiwan CDC: Travel Alert Level Raised (Level 2) for Inner Mongolia Due to Recent H7N9 Case

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Although it was originally reported as a Gansu Province case last Friday (see Gansu Reports China's 1st Human H7N9 Case Of 2019), we've seen conflicting reports suggesting the patient - while being treated in Gansu - originated from nearby Inner Mongolia.
We've seen this sort of scenario before, as in 2017's Shaanxi: Yulin City Reports 2nd Imported H7N9 Case ex Inner Mongolia.
While not conclusively nailing down where this patient was infected, Taiwan's CDC has issued a level II travel warning for the Inner Mongolia Autonomous Region.

This translated statement from Taiwan's CDC.

Mainland China's first H7N9 influenza cases appeared this season, Inner Mongolia Autonomous Region Tourism epidemic recommended level up to the second level warning (Alert)


Date: 2019-04-09 Disease Control Department April 5 received notice mainland China Jiuquan City, Gansu Province new one cases of H7N9 flu cases worldwide this flu season (October 2018 to date) the first case of H7N9 cases have occurred among 82 year-old male, March 18 Japan onset, 31 hospitalized in serious condition, live poultry exposure history is unknown, may be exposed areas Alxa League of Inner Mongolia.
Based on Inner Mongolia Autonomous Region with possible environmental exposure risk, disease tube Department has been upgraded to the new autonomous region of the influenza A epidemic recommend travel to the second level warning (Alert).

Disease tube department said before a global flu season a total of three cases of H7N9 flu cases, including one death, occurred in mainland China, the number of cases decreased significantly compared with previous years, poultry H7N9 flu vaccine may be implemented with mainland China vaccination-related, but assessments are still human sporadic cases will continue to occur.
Global since 2013 to date a total of 1,568 cases of H7N9 flu cases, including 615 cases of death. Informed sources include Mainland China (1,537 cases), Hong Kong (21 cases), Macau (two cases), Canada (2 cases) and Malaysia (1 case), another China has confirmed five cases of H7N9 influenza cases were from mainland China moved, 2 patients died.

The Program pointed out that disease, H7N9 avian influenza vast majority successor, human to human transmission is rare, with only sporadic cases. Initial symptoms are fever, cough, may be associated with headache, muscle aches, chills and general malaise. In patients with more severe onset 3-7 days severe pneumonia, and quickly progress to respiratory failure, septic shock, or even multiple organ dysfunction; H7N9 influenza incidence of fatal cases was 30-40%.

The Program will present illness mainland China Inner Mongolia Autonomous Region, Guangdong, Anhui, Fujian, Beijing, Guangxi, Jiangsu, Hunan, Yunnan Province, the new influenza A epidemic is recommended as a Grade II travel warning (Alert) other provinces and cities as the first level of attention (Watch). To remind people to mainland China should implement the principle of "no 5 to 6" to 5: poultry meat and eggs to be cooked, should wash their hands with soap Chedi, the onset of symptoms to wear masks speed medical treatment, long-term contacts with birds for influenza vaccination , a balanced diet and adequate exercise; no 6: Do not eat raw eggs or poultry products, smuggling, and not to buy meat birds of unknown origin, do not touch or feed birds and birds, thrown away and not released into the wild birds, not to raise birds and other livestock mixed population, not poorly ventilated or crowded places.

Repatriation of people who have fever or flu-like symptoms upon entry, should take the initiative to inform airline personnel and airport quarantine officers of the port; After returning to have the symptoms should wear a mask for medical treatment as soon as possible and inform the travel history of contact with a physician. Information can be found in disease tube Department website (https://www.cdc.gov.tw/), or call toll-free vaccination Line 1922 (or 0800-001922) contact.

Although avian flu in China has been greatly subdued since their massive H5+H7 poultry vaccination campaign of 2017, over the past eight months we've begun to see a few `breakthrough' events, primarily with the H5N6 virus.
Last fall China reported 4 human H5N6 infections, and a smattering of poultry outbreaks. Two weeks ago, we saw the first H7N9 outbreak (in poultry) reported since the summer of 2017, and a little over a weeks ago, an outbreak of H5N1.
While small, these cracks in the vaccine's veneer are worth watching, as these viruses continue to mutate and evolve, and may eventually drift away from the current vaccine.