Global life expectancy returns to 73.3 years, nearly back to pre-COVID levels, but healthy life expectancy still lags behind.

Dear Doctor Roach: Should one get the COVID vaccine when they suspect that they have active long COVID? How can one rebuild a good immune system after long COVID? -- C.B. Answer: Yes, a COVID vaccine ...

Collaborative COVID-19 research advanced metabolic phenotyping using NMR, revealing metabolic signatures of infection and more.

China has seen a spike in COVID-19 in recent weeks, overtaking influenza as the top respiratory pathogen for the first time this year, but most patients experienced mild symptoms, while the medical ...