Is Omicron the 'Endgame' For COVID-19? Here's Why Experts Are Wary.

Omicron’s increased transmissibility has led to a record number of coronavirus infections, bolstering immunity to help prevent future surges – but health experts still remain concerned about the potential of new variants and reduced immunity over time. Deepta Bhattacharya, PhD, a professor and immunologist at the College of Medicine – Tucson is quoted.