![A health worker transfers sample of a person from a swab test for COVID-19, in New Delhi A health worker transfers sample of a person from a swab test for COVID-19, in New Delhi](https://www.thehindu.com/static/img/1x1_spacer.png)
A health employee transfers sample of a person from a swab test for COVID-19, in New Delhi.|Photo Credit:
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‘ House-to-house surveillance in containment zones critical for early detection of cases’.
State-wise tracker for coronavirus cases, deaths and screening rates
” They were asked for to accelerate upgrade of medical facility infrastructure so regarding handle the cases according to forecasts, besides guaranteeing sufficient logistics (for instance, pulse