COVID-19 immunity

Meanwhile, coronavirus cases in the greater Tampa Bay region fell by about half compared to a week earlier as the omicron surge continued its steep decline.

After losing two patients, one after another, Alicia Sgroi wrote an essay about the experience in the American Journal of Nursing. Her essay is titled "What a Time to Become a Nurse."

The research points to a range of causes of death that can strike in the year after a patient is hospitalized.

The operations are expensive, risky, and use a scarce resource — donated lungs — that might otherwise go to patients with cystic fibrosis or other diseases.