California Patient Contracted Coronavirus From No Known Origin, CDC Says
Companies, agencies, institutions, etc
People
Groups
Physical locations
Places
Locations
Events
Positivity 50%
Negativity 50%
SOURCE:
https://www.huffpost.com/entry/cdc-coronavirus-california-community-spread_n_5e573b89c5b66137fb5d9023
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Summary
The person had not been abroad and had no known contact with an infected person. The agency said it may be the first "community spread" case in the U.S.
As said here by Nick Visser