Swine flu in India has affected more than 20,000 and killed 1,115 so far this year.
The hospital worker contracted Ebola while caring for another patient with the deadly virus, and was treated successfully.
Chronic fatigue syndrome is a condition that causes severe fatigue, lack of concentration and sleep disturbances.
The survey was conducted in the middle of a national measles outbreak that has infected 154 people in 2015.
Germany is fighting a major measles outbreak that includes 447 confirmed cases of measles so far in 2015 -- far more than the U.S.
North Korea banned foreign nationals from participating in the annual event, scheduled for April, citing fears over the spread of Ebola.
The Ebola virus has so far killed over 9,000 people in West Africa.
Amid a mounting death toll, the Indian government on Wednesday asked chemists to stock Tamiflu, a drug used to treat the viral disease.
Pakistan is one of three countries where polio is still endemic.
An unforeseen mutation early in the 2014-2015 flu season led to a record number of hospitalizations across the U.S.
Asked, "Are vaccines effective?" 88 percent of respondents said vaccines did work in preventing disease in individuals.
The Ebola outbreak is finally slowing down, but the countries are left facing a massive food crisis.
President Obama says bringing 2,800 American troops home doesn't signify "mission accomplished" on the virus.
The United States is dealing with a growing measles outbreak though the disease was declared eliminated in 2000.
Police are investigating the possibility of foul play after they discovered injuries on Brown's body and face.
Only two states do not permit vaccination exemptions based on religious or philosophical beliefs.
The low cost of the device could make it affordable for people in Sub-Saharan Africa, which accounts for nearly 70 percent of HIV infections.
In September, the CDC published a "worst-case" estimate that the world could face 1.4 million Ebola cases by January. That didn't pan out.
A new study highlights the distaste that many people have for pills — a hard truth to swallow for drug manufacturers.
The bulk of the crisis was over by the time aid hit the areas most affected by the Ebola outbreak.
In general, vaccination rates against measles in the U.S. have remained high, meaning the likelihood of being exposed is still relatively low.
Current measles cases in the United States are up 30 percent from the same period last year.