Only six US states have shown genetic sequences of more than 1% of all coronavirus cases during the pandemic, compared to a national average of just over 0.3%, according to data published this week by the US Centers for Disease Control and Prevention.
These states include Hawaii (2.8%), Washington (2.1%), Maine (1.7%), Wyoming (1.6%), Utah (1.5%), and Oregon (1.2%).
Meanwhile, nearly half of the states have sequenced fewer than one-tenth of their confirmed cases – 24 in total.
These are the countries that have formed the largest number of raw genetic sequences:
- Texas: More than 15,000
- California: More than 11,000
- New York: Around 7600
Fourteen states reported fewer than 100 sequences each.
These numbers come from the sequences in a publicly available database from January 2020 to January 2021 and may not represent the full number of samples analyzed.
US laboratories have submitted 92,000 coronavirus sequences – about 0.3% of all cases – to a genome database known as GISAID. By comparison, the UK has reported nearly 197,000 cases – just over 5% of its total.
The United States has been ramping up its sequencing effort and is on its way to processing at least 7,000 samples a week, according to CDC director Dr. Rochelle Wallinski.
Experts previously told CNN that the US should aim for sequencing 5% to 10% of cases, in line with sequencing efforts in the UK. Looking at cases over the past seven days, this could amount to roughly 50,000 to 100,000 sequences per week.
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