Infectious Diseases

O'Neal is an immunologist and vector biologist who studies how ticks acquire and transmit human pathogens, including the causative agent of Lyme disease.

Hepatitis B vaccines are the best way to protect vulnerable infants from developing chronic, life-threatening disease.

The miraculous power of penicillin and other antibiotics has been threatened by decades of rampant overuse.

Pathogens passed from animals to humans can trigger outbreaks like those of COVID-19 or Ebola. One Health offers a holistic approach to stopping these spillovers at their source.

mRNA vaccine technology has huge potential for treating not just infectious diseases but cancer and many chronic diseases—advances that may be threatened by funding cuts.

Anti-malaria programs, largely focused on vector control, have saved many millions of lives—albeit with recent gains now threatened—since the moment in 1897 when the India Medical Service’s Ronald Ross demonstrated that the “dapple winged mosquito” and not miasmatic “bad air” was the vehicle of malaria transmission.

Genomic analysis creates datasets for future research on one of the world’s most common STIs.  

U.S. bird flu infections have declined in both birds and mammals, prompting CDC to shift from weekly to monthly reporting. But is the outbreak really over? 

The new Bloomberg Distinguished Professor of Infectious Disease Dynamics will investigate the transmission of diseases to develop interventions.

The United States surpassed a milestone in reported measles cases, with 2025 now having the most cases since the disease was declared eliminated in the U.S. in 2000 and the most cases in more than three decades.

PEPFAR has always been about building sustainable systems, not creating permanent reliance. The U.S. Congress should recognize this and reauthorize the lifesaving program, argue three researchers.

From job sites to city streets, courtrooms to EHRs, five stories show public health’s reach and impact.
 

Pandemics. Wars. Existential financial threats. The Bloomberg School has long used its hard-won experience to anticipate and shape the future.

The long quest to stop the human immunodeficiency virus offers an instructive example.

What happened when stop-work orders shut down four USAID projects?