9 trends tracked about this subject — the full history, oldest to newest below.
A cyclosporiasis outbreak has prompted widespread health alerts as infection cases climb across 32 states.
A multi-country salmonella outbreak has been linked to flavored noodles, with children among the most affected.
The CDC has escalated its response to an Ebola outbreak, raising concerns about potential spread.
Health authorities in the Democratic Republic of the Congo are struggling to locate nearly 300 people with Ebola amid a spreading outbreak.
Measles cases surge in the US, sparking concerns about elimination status
Measles cases are surging in Pennsylvania, with new cases reported in York and Northumberland counties.
France reports its first Ebola case as the virus spreads rapidly in Africa.
A race to develop vaccines for the Bundibugyo strain of Ebola is underway, including a candidate that has existed for 15 years.
A six-year-old Ebola patient and her mother were abducted from a hospital in DR Congo, raising concerns about the outbreak's containment.