The State of MA reported for the 1st time the #s of COVID clusters by exposure settings. Household clusters substantially dominate other clusters (87%). This result is consistent w/ our How We Feel findings. Within-family transmission is most common. Protect loved ones. (1/n)
Data:

8754 household clusters/4395 total clusters=87%

7429 household cases/9391 total cases=79%

(2/n)

https://www.mass.gov/doc/weekly-covid-19-public-health-report-october-29-2020/download
It seems challenging to isolate and quarantine at home without infecting loved ones especially when living conditions are crowded (3/n)
These results are consistent with the findings in our How We Feel paper by analyzing the US samples: Odd ratios (OR) for within-household exposure =19.0 https://twitter.com/XihongLin/status/1300932635477397504
A summary of the findings of analysis of the How We Feel study in US in Nature Human Behavior https://twitter.com/XihongLin/status/1300921603056979968
The MA data are also consistent with what happened in Wuhan https://twitter.com/XihongLin/status/1236076749491929094
This is also consistent with the CDC finding https://twitter.com/michaelzlin/status/1322416025774682112
You can follow @XihongLin.
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