Contagion Live News Network: WHO Official Remarks on Asymptomatic Spread of SARS-CoV-2

Segment Description: A brief update on today's top infectious disease news.

Related Coverage: California COVID-19 Epidemic Driven by Multiple Viral Strains

As more information about SARS-CoV-2 emerges, mediators of pandemic outcomes not associated with public health measures can be better controlled for. Viral strain is a key biological variable, among others, in understanding why regions with similar policies have not always had parallel outcomes during the coronavirus disease 2019 (COVID-19) crisis.

Analysis of SARS-CoV-2 genomes from a small cohort of patients in California, published by investigators in Science, show that the virus arrived in Northern California through a complicated series of introductions internationally and between states.

Genomic surveillance was conducted through a new method called Metagenomic Sequencing with Spiked Primer Enrichment (MSSPE).

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