Alberta health officials and Roman Catholic Church leaders in the province have turned a vaccination issue into a public debate, when the Calgary Catholic School Division disallowed schoolgirls to receive vaccination against the sexually transmitted human papilloma virus or HPV.

The Calgary Herald reported that Bishop Fred Henry believes that vaccination against STDs is in effect allowing sexual promiscuity and premarital sex among Catholic schoolgirls

A childhood vaccine given for protection against measles, mumps and rubella (MMR) is not linked to autism, a new study published Wednesday said.

The MMR vaccine has been linked to the autism for the last 10 years with many experts believing that the live virus found in it can cause inflammation in the intestines, resulting in toxins leaking into the bloodstream and damaging the developing brain

The U.S. will soon have the largest measles outbreak in more than seven years, the Centers for Disease Control and Prevention (CDC) said Thursday.

In 2008, measles outbreaks in several states have led to more than 70 cases so far, the worst in six years, health officials added

One in 4 American children has not been vaccinated properly, according to a new study by the U.S. Center for Disease Control and Prevention of CDC.

CDC researchers added that these make the toddlers vulnerable to infectious diseases that are popping up in the United States

A large mumps outbreak in the United States in 2006 may have been caused by the failure of the vaccine, federal health experts reported Wednesday.

In a study reported in the April 10 issue of the New England Journal of Medicine, authors urge a more effective mumps vaccine or changes in vaccine policy to eradicate the disease