Some children may have a bad reaction to the pertussis vaccine in DTaP and should not take another dose. There is, however, a vaccine called DT that will protect them from diphtheria and tetanus. Talk with your doctor if your child experienced any of the following reactions:
The current price for a forever stamp is .44 cents (2010) so 20 years from now the value of that same stamp will still be .44 cents, even if the price for one ounce is $2 then. So, you would need five forever stamps from this year for 1 ounce in 20 years.
The USPS issued a global forever stamp that pays the first class postage for an ordinary letter weighing not more than one ounce to anywhere in the world. This stamp was introduced in 2013 and sold for $1.10, the rate current at that time.