Public health strategies associated with reduced SARS-CoV-2 transmission in Switzerland

public health strategies associated with reduced sars cov 2 transmission in switzerland

Sumary of Public health strategies associated with reduced SARS-CoV-2 transmission in Switzerland:

  • Even as the pandemic shows intransigence to eradication even in places with high vaccine coverage, a new study shows the efficacy of public health restrictions in containing viral transmission in different settings, setting the stage for further evaluation of such policies and measures vis-à-vis the burden they impose on the society and economy.
  • Study: Swiss public health measures associated with reduced SARS-CoV-2 transmission using genome data.
  • Image Credit: GoodIdeas/ Shutterstock Background The pandemic of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), led to intensive research into the virus to develop effective interventions.
  • Hundreds of thousands of viral genomes were sequenced and the sequences uploaded on databases such as the Global Initiative for Sharing Avian Influenza Viruses (GISAID) platform.
  • Such data has been mined to understand how viral transmission occurs, even without contact tracing information being universally available.
  • This has helped reconstruct the dynamics of viral spread early in the pandemic.
  • Another approach uses phylogenetic approaches, tracing the phylogenetic trail of the virus to show how, for instance, the early lockdowns in England and Ireland occurred simultaneously with a decline in the size and diversity of viral lineages.
  • Similarly, a super-spreading event in Switzerland was linked to a dominant strain in Basel using this approach.

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