In Zimbabwe, Malawi, and Zambia, new infections are falling and the percentage of the population infected with HIV is stabilizing.
What to do when bitten by a mosquito, advice on traveling to Zika-affected areas, and recommended preventative strategies.
A Columbia virologist explains the latest findings on Zika virus.
P&S biologists are probing the mechanisms of antibiotic resistance in bacteria to uncover new ways to restore the drugs' effectiveness.
P&S researcher Dritan Agalliu, PhD, finds pathway by which recurrent strep infections may lead to autoimmune psychiatric disorders.
A Mailman research team modeled the spread of the 2014 Ebola outbreak in Sierra Leone for future real-time use of disease outbreaks elsewhere.