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.
Bacteria Home. Haemophilus influenzae type b disease (also known as Hib disease) is a bacterial illness that can cause a potentially fatal brain infection in young children.The disease can be treated with antibiotics.Because of the widespread use of effective vaccines against this illness, very few cases are now diagnosed.acteria Home. Haemophilus influenzae type b disease (also known as Hib disease) is a bacterial illness that can cause a potentially fatal brain infection in young children.