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Contact tracing won't curb COVID if testing is too slow, says Lancet
Updated On: 19 July, 2020 07:25 AM IST | London | Agencies
The study found that reducing the time between a person developing symptoms and receiving a positive test result is the most important factor for improving contact tracing effectiveness
A worker measures the body temperature of incoming worshippers arriving for prayers at the Hasan II mosque, one of the largest in the African continent, in Morocco's Casablanca. Pic/AFP
The speed of contact tracing strategies is essential to reduce Coronavirus transmission, but the delays in COVID-19 testing will significantly hamper this process, warn researchers.
If COVID-19 testing is delayed by three days or more after a person develops symptoms, even the most efficient contact tracing strategy cannot reduce onward transmission of the virus, the study, published in The Lancet Public Health journal, reported.
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