Table 1.

Evolution of testing strategy based on Advisory by Indian Council of Medical Research in India (https://www.icmr.gov.in/cteststrat.html, accessed on June 12, 2020)

Date	Indication of testing
17th March 2020	Symptomatic (ILI* symptoms) individuals who have taken international travel in the last 14 days
	All symptomatic (ILI symptoms) contacts of laboratory-confirmed cases
	All symptomatic (ILI symptoms) health care workers managing respiratory distress or SARI**
20th March 2020	Addition
	All hospitalized patients with SARI
	Asymptomatic direct and high-risk contacts of a confirmed case
9th April 2020	Addition
	All symptomatic ILI in hotspots/clusters and large migration gatherings/evacuee centers
18th May 2020	Addition
	All hospitalized patients who develop ILI symptoms
	All symptomatic ILI among returnees and migrants within 7 days of illness

*ILI (influenza-like illness) - acute respiratory infection with fever ≥38°C AND cough. **SARI (Severe acute respiratory illness) - acute respiratory infection with fever ≥38°C AND cough AND requiring hospitalization