Half of all COVID-19 cases across the country and in Maryland now result from coronavirus variants, with the dominant ones proving a bit more dangerous because they are more contagious and lead to more hospitalizations. But scientists and public health experts warn that until enough people are inoculated against the disease to end the pandemic, there is a chance mutations will become much more dangerous. “Every time someone is infected and the virus replicates in them, it can produce mutant strains,” said Matthew Frieman, a coronavirus researcher at the University of Maryland in Baltimore.
Anxious Maryland scientists on the hunt for next coronavirus variant
April 26, 2021