Infant dies from pertussis in Jackson, MSDH reportsbabyJACKSON, Miss. (WCBI) – A Mississippi infant has died of pertussis. So far this year, there have been 115 reported cases of Pertussis, more commonly known as Whooping Cough. Pre-teens should receive a single dose of TDAP booster at 11 to 12 years old to boost their immunity. Pregnant women should receive a single dose in the 27th to 36th week of pregnancy.