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Year : 2022  |  Volume : 66  |  Issue : 1  |  Page : 45-48

Prevalence of novel Corona Virus (severe acute respiratory syndrome Coronavirus 2) and its uncertain future in the different regions of Punjab

1 Associate Professor, Department of Microbiology, Government Medical College, Amritsar, Punjab, India
2 Professor, Department of Microbiology, Government Medical College, Amritsar, Punjab, India
3 Research Scientist, Department of Microbiology, Viral Research Diagnostic Laboratory, Government Medical College, Amritsar, Punjab, India

Correspondence Address:
Mohan Jairath
Viral Research Diagnostic Laboratory, Government Medical College, Amritsar, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijph.ijph_1793_21

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Background: Coronavirus disease-19 (COVID-19), produced by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become a global pandemic, giving rise to a serious health threat globally. Many countries have seen a two-wave pattern in there reported cases during the period of pandemic. Similarly, our country has reported the first peak between March and October 2020 followed by the second peak between April and June 2021. Objectives: The objective of this study was conducted to describe the spatiotemporal patterns and early epidemiological features of COVID-19 cases from November 2020 to May 2021 in the central (Majha) region of Punjab state of India which was considered as the epicenter of the infection. Methods: The multiplexed real-time reverse transcription–polymerase chain reaction (RT-PCR) method was used to detect SARS-CoV-2, with co-amplification of specific target genes using real-time PCR kits. Results: During the second wave, test positivity rate for COVID-19 in our laboratory (the central region of Punjab) was recorded as 4.8%. The study revealed that an increased sustained proportion of COVID-19 incidence is present in young adult age group (20–39 years) with 8.65% positive rate followed by the older age group and least in young ones. It was observed that during the second wave, more symptomatic individuals are positive (10.26%) alongside it was also observed that male population (5.61%) was more prone to infection in comparison to females (3.78%). Whole-genome sequencing carried out on 120 random samples selected from all the districts of Majha region of Punjab state showed two prominent strains, namely alpha variant (95 cases) and delta variant (19 cases). Conclusion: A higher positivity rate in the second wave demonstrates the rapid spread of the new emerging virus variants and warrants the implementation of strict vaccination regimes and quarantine in the affected region.

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