At just over one year into the COVID-19 pandemic, evolution of SARS-CoV-2 has generated viral variants that differ in their genetic sequence from the strain first detected in December 2019. Evidence is emerging about how these variants differ in their transmission characteristics, associated clinical symptoms, and vaccine efficacy. This document is a brief summary of published evidence about characteristics of SARS-CoV-2 variants that may impact the public health response, including transmission and response to vaccination.
How COVID-19 Affects Some People Long After They Become Infected with the Coronavirus (includes Jennifer Ross)
By Ryan Blethen Seattle Times staff reporter
Nearly eight months after the pandemic was declared, researchers are gaining a more complete understanding of how the new coronavirus affects people.
One thing they’re noticing as time goes on: some people diagnosed with COVID-19 feel sick long after contracting the virus.