Amid SARS COV-2 ‘variants of concern’ circulating, they said RT-PCR tests do not miss mutations as the ones being used in India target more than two genes.

mid a staggering surge in COVID-19 cases, India’s top experts on Monday said RT-PCR tests detect coronavirus in around 80 per cent of the cases, so clinical features and CT scans/chest X-rays should be used to rule out false negatives in symptomatic patients followed by a repeat test after 24 hours.

Amid SARS COV-2 ‘variants of concern’ circulating, they said RT-PCR tests do not miss mutations as the ones being used in India target more than two genes. According to government data till April 15, a total of 1,189 samples have tested positive for ‘variants of concern’ of SARS COV-2 in India which include 1,109 samples with the UK variant, 79 samples with South African variant and one sample with the Brazil variant.

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