Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Increased Doubling Time with Significant Recovery and Low Mortality from COVID-19 following Extended Lockdown: Implication for Development of Protective Immunity against SARS-CoV-2 In a Population

Version 1 : Received: 11 July 2020 / Approved: 12 July 2020 / Online: 12 July 2020 (14:33:56 CEST)

A peer-reviewed article of this Preprint also exists.

Journal reference: Journal of Current Trends in Clinical and Biomedical Research 2020, 1, 1-6
DOI: 10.5281/zenodo.4297242


COVID-19 is fast spreading around the globe in a highly contagious manner. The results from our study showed that after intervention with successive Lockdowns, there was marked decrease in the rate of COVID-19 cases, though there was sporadic volatility in number of COVID-19 cases due to some extrinsic factors. Concomitant with reduction in rate of COVID-19 there was gradual increase in doubling time of COVID-19, steady increase in number of discharged/recovered patients from COVID-19 reaching to ≥ 58% taking the entire Indian population into consideration. Another important aspect was consistent low mortality rate was accompanied by gradual increase in recovery rate of COVID-19 in the population. The possible implication of these results in the development of protective immunity in the population has been discussed.


COVID-19; interventions; growth curve; recovery; mortality; protective immunity



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