Does COVID still have aces up its sleeve? | Science | News | The gallery

The virus was thought to mutate slowly, but it has proven to be remarkably adaptable. We hoped the worst would be behind us once the delta wave passed, but Omicron sent even more people to the hospital. It was believed that the virus had reached its peak of contagiousness with BA1, only to realize that BA2 is even more transmissible. SARS-CoV-2 has defied predictions for two years. But we’re starting to have some reason to hope that maybe COVID is running out of its bag of tricks. May be…