Preprint Brief Report Version 1 Preserved in Portico This version is not peer-reviewed

Is Novel Coronavirus Novel: Covid-19, A Pandemic or An Endemic?

Version 1 : Received: 31 May 2020 / Approved: 31 May 2020 / Online: 31 May 2020 (21:14:05 CEST)

How to cite: Banerjee, S. Is Novel Coronavirus Novel: Covid-19, A Pandemic or An Endemic?. Preprints 2020, 2020050515 (doi: 10.20944/preprints202005.0515.v1). Banerjee, S. Is Novel Coronavirus Novel: Covid-19, A Pandemic or An Endemic?. Preprints 2020, 2020050515 (doi: 10.20944/preprints202005.0515.v1).

Abstract

We have analysed the death and recovery rate of Covid-19 disease progression. From the analysis, we have argued that the pandemic is over in certain countries (labelled as group-A) and for other countries (labelled as group-B) the disease appears to remain as endemic. Taking into account the serological survey (sero-survey) test results obtained by certain groups and comparing it with herd immunity threshold value one can infer that the low number of infection for group-B is either due to acquired immunity by some previous infection by other coronavirus or due to innate immunity towards this infection. This effect is stronger for group-B to slow the progress of the disease to such an extent resulting in flattening of the disease progression curve compared to group-A.

Subject Areas

Covid-19; Herd Immunity Threshold; Corona Virus; Innate immunity; flattening the curve; serological survey

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