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Outbreak of P.3 (Theta) SARS-CoV-2 emerging variant of concern among service workers in Louisiana

Rebecca Rose1, David J Nolan1, Tessa M LaFleur1

  • 1BioInfoExperts, LLC, Thibodaux, LA, USA.

Journal of Infection and Public Health
|December 2, 2021
PubMed

Insights

Four travelers from the Philippines tested positive for SARS-CoV-2, infected with the P.3 (Theta) variant. This highlights the critical need for continuous genomic surveillance of the virus.

Area of Science:

  • Virology
  • Genomic Surveillance
  • Infectious Diseases

Background:

  • Routine quarantine procedures are essential for controlling infectious disease spread.
  • The emergence of SARS-CoV-2 variants necessitates vigilant monitoring.
  • International travel poses a risk for the introduction of novel viral strains.

Purpose of the Study:

  • To report the detection of a rare SARS-CoV-2 variant in returning travelers.
  • To emphasize the importance of genomic surveillance in public health.
  • To identify the origin and spread of SARS-CoV-2 variants.

Main Methods:

  • Case detection during industrial quarantine.
  • Genomic sequencing and analysis of SARS-CoV-2 positive samples.
  • Phylogenetic analysis to determine variant origin.

Main Results:

  • Four individuals who traveled from the Philippines tested positive for SARS-CoV-2.
  • All four cases were infected with the P.3 (Theta) variant.
  • Genomic analysis indicated a single origin for these P.3 variant infections.

Conclusions:

  • Ongoing genomic surveillance is crucial for detecting and managing emerging SARS-CoV-2 variants.
  • The P.3 (Theta) variant's detection underscores the need for robust international health screening.
  • Early identification of variants aids in implementing timely public health interventions.
Keywords:
COVID-19Pango lineagesPhilippinesPhylogenetics

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