Wednesday, October 27, 2021

double masking

N99 mask 100 per cent Covid-proof!

The use of high-grade face masks sees 100 per cent protection against direct, ward-based Covid-19 infection, says study

80 per cent of Covid patients asymptomatic in Telangana

Asymptomatic patients continue to drive the ongoing second wave of Covid infections and challenge the containment strategies of public health officials

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