VaxChoiceNH,
Immunity to whooping cough is only possible if it's natural immunity. The Tdap shot doesn't work. http://www.ncbi.nlm.nih.gov/pu…
Immunity to whooping cough is only possible if it's natural immunity. The Tdap shot doesn't work. http://www.ncbi.nlm.nih.gov/pu…
Natural Immunity to Pertussis: Yes, it does exist... http://www.ncbi.nlm.nih.gov/pubmed/19876392 "Our results support a…