 Other prevalent diseases competing for funding but lacking the availability of HIV/AIDS or cancer include lupus, sickle-cell anemia, and tuberculosis.The MMR vaccine controversy was an example of an unwarranted health scare.It was triggered by the publication in 1998 of a paper in the medical journal "The Lancet" which presented apparent evidence that autism spectrum disorders could be caused by the MMR vaccine, an immunization against measles, mumps and rubella.