[https://edition.cnn.com/2021/02/24/asia/india-covid-decline-explainer-intl-hnk-scli/index.html](https://edition.cnn.com/2021/02/24/asia/india-covid-decline-explainer-intl-hnk-scli/index.html) >"Six months ago, India was in crisis. Critically ill Covid-19 patients were being turned away from hospitals. Doctors were collapsing from exhaustion. And the virus was spreading through crowded slums, home to millions of the country's poorest people."