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Even though vaccinated people can catch and in some cases spread Covid-19, data suggest vaccines provide protection against infection and transmission. In Santa Clara County, Calif., the recent seven-day average of daily cases among vaccinated people was roughly 6.8 per 100,000 people on Aug. 4; the case rate among the unvaccinated was nearly four times higher.



https://www.wsj.com/articles/highly-vaccinated-states-keep-worst-covid-19-outcomes-in-check-as-delta-spreads-wsj-analysis-shows-11628328602