The Los Angeles area is seeing a troubling increase in local dengue fever cases, health officials warned Wednesday.

LA public health officials reported this week that two residents have been infected by Baylisascaris procyonis, also known as ...

Health authorities are urging at-risk Tasmanians to get vaccinated against the highly infectious illness, as the state is in ...

The latest, highly contagious subvariants are driving infections, but new vaccines may help stem the tide of another wave — ...

Charts and maps show where dengue, West Nile and eastern equine encephalitis have been detected, and how this year stacks up ...

South African public health power couple Quarraisha and Salim Abdool Karim are credited with saving thousands of lives.

The leading cause for NHS staff absences was psychiatric illnesses, with 25.6% naming it as their reason for taking time off.

Antibiotic-resistant bacterial infections often occur in patients with chronic inflammatory intestinal conditions, such as inflammatory bowel disease, and in patients who have taken antibiotics for a ...

Vital data that sheds light on the origins of the Covid-19 pandemic have been published after peer review in one of the world ...

New research shows about one in eight of all cancer cases are linked to common infections like HPV, Hepatitis B and C and H. pylori. NBC News medical contributor Dr. Natalie Azar joins TODAY to share ...