Clinical characterization, molecular and genomic sequencing analysis of SARS-Cov-2 during second wave at Raigarh, Chhattisgarh, India.

IF 1.9 Bioinformation Pub Date : 2024-09-30 eCollection Date: 2024-01-01 DOI:10.6026/9732063002001059

Anubha Patel, Anuniti Mathias, Ashish Baghel, Ankita Kumari, Swati Kujur

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Abstract

The severe acute respiratory syndrome coronavirus-2 (SARS-Cov-2) has been changing continuously. This study was conducted to evaluate clinical characteristics, Molecular analysis & Genomic sequencing of SARS-Cov-2 during second wave in Raigarh district, Chhattisgarh, India. This study evaluated 13402 breakthrough cases of COVID -19. The laboratory obtained the nasopharyngeal/oropharyngeal swabs (NPS/OPS) of SARS-CoV-2 patients who tested positive by real-time RT-PCR, together with clinical and demographic information. Next generation sequencing (NGS) was used to sequence these clinical specimens in order to identify nucleotide changes in the SARS-CoV-2 genome from these strains. In the study population, variants of concern (VOCs) and other variations were looked for. Clinical severity was mild in 47.05% patients with mutational variants; while 52.94% patient's clinical severity was moderate. Delta (B.1.617.2) was the most common VOC detected. Among non VOC variants, AY.4 and AY.12 variants were most commonly detected. Envelope (E) gene and RNA-dependent RNA polymerase (RdRp) mutation were most commonly observed.

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