Quote:
Originally Posted by octobermoon 
according to Dr. Sears the reactions are very rare now. the vax was reformulated as you mentioned in the 90's because there *were* many serious side effects. a lot of the reactions are a one in a million chance. so to me that doesn't sound like a "highly reactive vaccine". 
not true. teenagers and adults don't typically get vaccinated/boosters for this since it is most serious the first six months of life so i don't see how that means it's not working.
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nak
depends on what you count as a reaction. the pertussis scream does not occur as often with the new formulation, but what people consider to be "typical" vaccine side effects happen more frequently. fever, local reactions at the site (redness, swelling, sometimes going down the leg), excessive crying (not the scream it used to be, but still abnormal), sleep issues (too much or too little)...
and if you look at the ages of the people in an "outbreak", they often are children who should still be protected. and even as the numbers of adults getting boosters goes up, the outbreaks are not going down. somewhere on the cdc's page is a table that lists every reported case of vpds by year, and you can see that pertussis is far from controlled. the manufacturer's insert says outright that it is not clear whether the vax prevents transmission.
i have researched treatments for pertussis and am more comfortable with treating it if we were to contract it. my family has a history of severe reactions (seizures, extremely high fevers) to the old vax, and my son's infectious disease dr said that if a person is medically contraindicated from receiving the old vax (DPT), they should not receive the new vax (DTaP). i only had two doses as a child and it's in my medical records not to receive further doses, including the adult version TDap.