It's also possible that the vaccines may have been unsterile.
Vaccination rates in some European countries are extremely low.
Researchers are looking for 15 people with lymphoma to test the vaccine.
The story claims a CDC doctor said the recent flu outbreak is being caused by the flu vaccine itself.
Should avoiding vaccines be treated like a crime? Increasingly it is.
Turns out parents with second thoughts about vaccinations might be just as worried as any other parents about the (extremely slim) potential side effects.
The world's first vaccine created in 1798 may not be what we've always thought it is.
The mother is philosophically opposed to vaccinating her son for transmissible, potentially fatal and otherwise preventable diseases.
This parasite, carried by a sandfly, kills tens of thousands pf people every year. Treatment exists, but the sickness can still disfigure and kill people.
With cases increasing astronomically, better protection from the tick-borne disease is urgently needed.
Clinical trials on a prospective type 1 immunization are set to begin next year.
A study suggests even a 5 percent decline in MMR vaccine adherence could spark a measles outbreak in the U.S.
The WHO said it could save “tens of thousands of lives” in Africa, where malaria remains a major killer.
Rotavirus kills an estimated 1,300 children each day.
An unexplained shortage of the injectable version of the vaccine slows attempts to kill polio in Afghanistan, Nigeria and Pakistan.