3. Family transmission is common. Quarantine-at-home between 1/23-2/1 helped and did not work effectively (R=1.35>1), as family members and close contacts may be infected and might affect the neighborhood communities, e.g., going shopping. Centralized quarantine is critical.
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4. About 60% of infected cases were estimated to be un-ascertained, i.e,. they scattered in the community and could infect others. This means increasing the testing capacity for early diagnosis is critically important.
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5. Healthcare workers and elderly people are at a much higher risk of being infected. The risk of severity increases with age, and elderly people are at a much higher risk of becoming severe (RR=3 for 60-79 and RR=5 for 80+).
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6. Women have a lower risk of severity compared to men (RR=0.9). Early diagnosis and early treatments are important.
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7. Children's infection risk is much lower than adults, but the risk increased with time.
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8. Special efforts are needed to protect vulnerable populations (healthcare workers, elderly people and children).
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Thanks to the hard work of all my co-authors at Tongji SPH in Wuhan on finishing this paper in a short time window. The gained knowledge benefits US and other countries in our strategy development. It was a great honor to work with them
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Thanks particularly go to Chaolong Wang*, Li Liu*, Xingjie Hao*, Huan Guo* (co-first authors) and An Pan, Sheng Wei, Tangchun Wu (co-last authors) at Tongji School of Public Health in Wuhan for their tremendous work and effort.
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Huge thanks also go to all the Wuhan residents, the local health professionals, and the 40,000 healthcare professionals cross the country who went to help Wuhan, for their tremendous sacrifice and efforts.
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In this local talk, I gave the background, summarized and interpreted the findings. I provided several take home messages and practical recommendations for the current situation in US. http://hsph.me/covid19 . Updated slides: http://hsph.me/27v
#COVIDー19#coronaviruspic.twitter.com/EfdNmRh9rf
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Can you allow people to download the slides? Google Drive seems to limit it to previewing only right now
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