Newborns’ immune systems are too immature to get the DTaP vaccine right away, so babies do not get their first dose before age of 2 a few months. That’s followed by doses at 4, 6, and 15 to 18 months, with your final one between the ages of 4 years and 6 years. Skoff said the simplest way to protect infants is for moms to have a whooping cough booster shot – – known as Tdap – – during the third trimester of pregnancy. That real way, she explained, infants are born with a few of mom’s disease fighting capability antibodies against the infection, that provides short-term protection. Ten years ago, experts were recommending a ‘cocooning’ strategy for protecting babies, said Dr.As explained in Staying Healthy With Nourishment by Dr. Elson Haas, M.D.: For an extended period of background, the niacin deficiency disease, pellagra, was a very serious and fatal issue. Characterized as the disease of the three Ds, pellagra causes its victims to see dermatitis, diarrhea, and dementia. The 4th D was loss of life. As referred to previously, the classic B3 deficiency occurs mainly in cultures whose diets rely greatly on corn and where the corn isn’t prepared in a manner that releases its niacin. Among the first signs of pellagra, or niacin insufficiency, may be the skin’s sensitivity to light, and your skin becomes rough, heavy, and dry .