A Rapid At-Home Covid-19 Test — For Under $50 — Just Got FDA Approval

The California biotechnology company’s single-use home test kit, which it expects to sell for less than $50, requires a prescription from a doctor. As winter approaches and infections have surged in most states, the at-home test will allow people who are possibly infected to not have to go into clinics or hospitals to get tested, potentially spreading a virus that has already killed more than 247,000 people in the United States.

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