ignite - cause to start burning; subject to fire or great heat; Great heat can ignite almost any dry matter; Light a cigarette. light. fire up, light, light up - begin to smoke; After the meal, some of the diners lit up.
Most mild side effects of DTaP and Tdap usually require no treatment and are gone within 24 hours; moderate side effects may be treated symptomatically, but a child with a high fever or seizure should be evaluated and possibly treated by a physician. Do not use aspirin to treat children's pain or fever.
The pertussis vaccine in DPT, DtaP and Tdap shots is marginally effective for two reasons: first, vaccine induced immunity is always temporary and for pertussis vaccine it only lasts about three years at best; second, the B. pertussis bacterium, which causes whooping cough, has been evolving to become vaccine resistant.