COVID-19 evolves — but scientists, health care professionals keep up with it
COVID-19 immunizations saved 235,000 American lives during the first nine months that those vaccines were available, from December 2020 to September 2021 (JAMA Network Open, July 6, 2022). Now, a year later, they have spared additional tens of thousands of us from premature death and long COVID. Recent commentary (The Lancet Infectious Diseases, August 22, 2022) about Massachusetts is also encouraging. That state met the spring Omicron surge with its population 80% fully vaccinated against COVID-19 and had no excess deaths, even among infected older people, for the first time since the ...