Molecular epidemiology of a familial cluster of SARS-CoV-2 infection during lockdown period in Sant Kabir Nagar, Uttar Pradesh, India

Kamran Zaman, Prem Shankar, Pragya D. Yadav, Dimpal A. Nyayanit, Sthita Pragnya Behera, Pooja Bhardwaj, Anita Shete, Triparna Majumdar, Rajaram Yadav, Savita Patil, Hirawati Deval, Gaurav Raj Dwivedi, Ashok K. Pandey, Rajeev Singh, Brij R. Misra, Niraj Kumar, Kaushik Kumar, Priyanka Yadav, Girijesh Kumar Yadav, Manoj KumarKamlesh Kumar Sah, Ravi Shankar Singh, Sanjeev Kumar, Asif Kavathekar, Vijay Kumar, Rajni Kant

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We report a familial cluster of 24 individuals infected with severe acute respiratory syndromecoronavirus- 2 (SARS-CoV-2). The index case had a travel history and spent 24 days in the house before being tested and was asymptomatic. Physical overcrowding in the house provided a favourable environment for intra-cluster infection transmission. Restriction of movement of family members due to countrywide lockdown limited the spread in community. Among the infected, only four individuals developed symptoms. The complete genome sequences of SARS-CoV-2 was retrieved using next-generation sequencing from eight clinical samples which demonstrated a 99.99% similarity with reference to Wuhan strain and the phylogenetic analysis demonstrated a distinct cluster, lying in the B.6.6 pangolin lineage.

Original languageEnglish (US)
Article numbere200
JournalEpidemiology and infection
Volume149
DOIs
StatePublished - 2021
Externally publishedYes

Keywords

  • Familial cluster
  • India
  • SARS-CoV-2
  • Uttar Pradesh
  • next-generation sequencing

ASJC Scopus subject areas

  • Infectious Diseases
  • Epidemiology

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