Your suspicion may be right, the actual maybe off by a large factor. Sero survey whose results were available early February statistically indicated about 270 m

Your suspicion may be right, the actual maybe off by a large factor. Sero survey whose results were available early February statistically indicated about 270 million exposures (as indicated by presence of antibodies) till February [1] (assuming a population of 1300 million). [1] https://www.businesstoday.in/latest/trends/over-21-indians-already-exposed-to-covid-19-shows-sero-survey/story/430318.html https://www.businesstoday.in/latest/trends/over-21-indians-a...