TULSA, Okla. (AP) - Citing a rise in the number of cases of
whooping cough in Oklahoma, the state now is requiring students
entering the seventh grade to receive a vaccine for the disease.
The vaccine typically has been given to 11- and 12-year-olds. It
is known as "tdap" for tetanus, diphtheria and acelluar
pertussis, another name for whooping cough.
State Department of Health officials tell the Tulsa World they
hope to prevent large whooping cough outbreaks like those seen in
other states, including Texas and California.
In 2009, 100 cases of whooping cough were reported in Oklahoma.
Last year, that number rose to 170.
The new state requirement is for a one-dose booster shot of the