The name coupon arose because in the past, paper bond certificates were issued which had coupons attached to them, one for each interest payment. On the due dates the bondholder would hand in the coupon to a bank in exchange for the interest payment.
Hib vaccine. Haemophilus influenzae type B vaccine is a vaccine used to prevent Haemophilus influenzae type b (Hib) infection. In countries that include it as a routine vaccine, rates of severe Hib infections have decreased more than 90%. It has therefore resulted in a decrease in the rate of meningitis, pneumonia, and epiglottitis.
Hib Disease and the Vaccine (Shot) to Prevent It. Doctors recommend that your child get 4 doses of the Hib vaccine for best protection. Fact Sheet for Parents. The best way to protect against Hib disease is by getting the Hib vaccine. Doctors recommend that all children get the vaccine.