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ANALYSIS: Coronavirus: Tests 'could be picking up dead virus'

The main test used to diagnose coronavirus is so sensitive it could be picking up fragments of dead virus from old infections, scientists say.

Most people are infectious only for about a week, but could test positive weeks afterwards.

Researchers say this could be leading to an over-estimate of the current scale of the pandemic.

But some experts say it is uncertain how a reliable test can be produced that doesn't risk missing cases.

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Britain aims for virus testing success after a wobbly start

LONDON (AP) — The British government announced Thursday that it is investing in a coronavirus test that gives results in as little as 20 minutes, touting it as the latest milestone in efforts to take the U.K. to the front of the global pack in testing for COVID-19.

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Why the Coronavirus More Often Strikes Children of Color

One of the notable features of the new coronavirus, evident early in the pandemic, was that it largely spared children. Some become severely ill, but deaths have been few, compared to adults.

But people of color have been disproportionately affected by Covid-19, the illness caused by the coronavirus, and recent studies have renewed concern about the susceptibility of children in these communities.

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