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.