FILE - This Monday, Sept. 19, 2011 file photo shows an empty bottle of Tetanus, Diphthera and Pertussis, (whooping cough) vaccine at Inderkum High School in Sacramento, Calif. Health officials say the U.S. is on track to have the worst year for whooping cough in more than five decades. Nearly 18,000 cases have been reported so far - more than twice the number seen at this point last year, the Centers for Disease Control and Prevention said Thursday, July 19, 2012. At this pace, the number of whooping cough cases will surpass every year since 1959. (AP Photo/Rich Pedroncelli)
WALTON COUNTY-- Walton County Department of Health Officials are urging residents to stay alert after a confirmed case of pertussis or whooping cough.
The patient's family and immediate friends have been contacted and are also being treated.
Whooping cough is a contagious respiratory tract infection that can be a serious threat, especially for infants.
New parents, grandparents, and relatives should be fully immunized before being around a baby.
This is the second year in a row that Walton County has confirmed a case of whooping cough.