From delta to omicron, here’s how scientists know which coronavirus variants are circulating in the US
What is genomic surveillance? Genomic surveillance provides an early warning system for SARS-CoV-2. The same way a smoke alarm helps firefighters know where a fire is breaking out, genomic surveillance helps public health officials see which coronavirus variants are popping up where. Labs sequence the genome in coronavirus samples taken from patients’ COVID-19 tests. These […]