Inflammation, Immunity and Immunogenetics in COVID-19: A Narrative Review

Malavika Lingeswaran, Taru Goyal, Raghumoy Ghosh, Smriti Suri, Prasenjit Mitra, Sanjeev Misra, Praveen Sharma, Malavika Lingeswaran, Taru Goyal, Raghumoy Ghosh, Smriti Suri, Prasenjit Mitra, Sanjeev Misra, Praveen Sharma

Abstract

The novel Coronavirus Disease 2019 (COVID-19), that began in Wuhan Province, China was labelled as an International Public Health Emergency on January 30, 2020 and later was declared a pandemic by the World Health Organisation (WHO) on March 11, 2020. The causative agent, SARS-CoV-2 was the third coronavirus responsible for causing major disease outbreaks in human population after Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS) caused by SARS-CoV and MERS-CoV respectively. The patients of COVID-19 present with a clinical feature resembling mild form of viral pneumonia which in certain cases progress to a severe form characterised by adult respiratory distress syndrome (ARDS) and/or multiorgan failure leading to death. The transition from mild to severe form of COVID-19 is affected by a lot of factors like age, co-morbidities etc. In the absence of an absolute cure, it is essential to explore the molecular pathogenesis of the disease to identify people at risk of developing severity so that alternative treatment modalities may be planned. The aim of this review is to provide an update on the general characteristics of SARS-CoV-2 and highlight the inflammatory changes and immune dysregulation that may help in identification of molecular predictors of disease severity.

Keywords: COVID-19; Cytokine storm; Immunity; Immunogenetics; Inflammation.

Conflict of interest statement

Conflict of InterestThe authors declare that they have no conflict of interest.

© Association of Clinical Biochemists of India 2020.

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Source: PubMed

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