At least eight strains of the coronavirus are making their way around the globe, but they're helping doctors better understand the virus.
Chiu’s analysis shows California’s strict shelter in place efforts appear to be working.
It's like a wildfire, Chiu said. A few sparks might fly off the fire and land in the grass and start new fires. But if the main fire is doused and its embers stomped out, you can kill off an entire strain. In California, Chiu sees a lot of sparks hitting the ground, most coming from Washington, but they're quickly being put out.An example was a small cluster of cases in Solano County, northeast of San Francisco.
“This is probably an example of a spark that began in Santa Clara, may have gone to Solano County but then was halted,” he said.So far researchers don’t have a lot of information about the genomics of the virus inside China beyond the fact that it first appeared in the city of Wuhan sometime between mid-November and mid-December.at the Shanghai Public Health Clinical Center. But Chiu says scientists don’t know if there was just one strain circulating in China or more.
Researchers in the United Kingdom who sequenced the genomes of viruses found in travelers from Guangdong in south China found those patients’ strains spanned the gamut of strains circulating worldwide.
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