Obstacles remain before the world reaches the point of eliminating AIDS, but new prevention technologies and outreach programs are reasons to be optimistic about the future.
The diminished power of the immune system in older adults is usually blamed on the aging process. A new study shows that decades of inhaled particulates due to air pollution also take a toll.
Initial reports of the bivalent booster’s effectiveness have created confusion among the public. David Ho discusses his own results, the bottom line, and what to expect from COVID this winter.
A study reports that the brains of a small sample of patients who died of COVID display some of the same molecular changes found in the brains of people with Alzheimer's disease.
Computer modeling of the omicron wave by Mailman's Jeffrey Shaman suggests case numbers may subside as quickly as they climbed, peaking by mid-January in New York City.
Babies born during the pandemic’s first year—even to moms who did not have COVID during pregnancy—scored slightly lower on a screening test of social and motor skills compared to pre-pandemic babies.
A new study from COVID researchers at Columbia and the University of Hong Kong adds more evidence that the omicron variant can evade the immune protection conferred by vaccines and natural infection.
Despite the emotional challenges, the holidays offer a chance to put work aside, catch our breath, and rejoice with loved ones, says Columbia psychologist Dr. Zachary Blumkin.
When should you get a COVID vaccine booster? And will it ward off new variants like omicron? Columbia physicians David Buchholz and Marcus Pereira answer often-asked questions.
Columbia immunologists have found that the infant immune system is stronger than most people think and beats the adult immune system at fighting off new pathogens.