The number of coronavirus infections in Santa Clara, California may be up to 85 times higher than testing shows, according to new research
Lack of adequate testing, and the prevalence of
Between April 3-4, the study authors tested 3,300 county residents who were recruited using Facebook ads that targeted participants from various zip codes and demographics. That suggests the number of people who have been infected there since the outbreak began is between 48,000 and 81,000 — a figure that's between 50 and 85 times more than the number of confirmed county cases.
Death rates, or infection fatality rates, from the coronavirus — a calculation that divides the number of known deaths by the confirmed case total —and fluctuate over time. Some health experts have predicted that death rates will decrease as the number of cases rises and testing continues to expand.
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