What Causes a Cold Sore? Factors can include injury or stress.
Understanding Whooping Cough. Continue.
Considering the Nasal Spray Flu Vaccine? Some people shouldn't get it, experts say.
Diagnosing Pneumonia. Continue.
What's Behind Frequent Nosebleeds? They could mean a cold or allergy.
COVID Vaccines Cut ER Visits for Children, CDC Reports
FDA Approves Two New Antibiotics to Treat Drug-Resistant Gonorrhea
South Carolina Places 254 in Quarantine as Measles Cases Surge
New 15-Minute Test For Hepatitis C Paves Way For Same-Day Treatment
Global Measles Cases Surge as Vaccination Rates Fall, WHO Warns
New Trial Shows Pfizer’s mRNA Flu Shot Beats Traditional Flu Vaccine
