No records document its origin, but the name hackberry is botanically illiterate because the tree's fruit is a drupe not a berry. Being small, round and borne on a plant are not meaningful criteria for what makes a fruit a berry. But the name is embedded in our culture and the alternative hackdrupe will never work.
Doctors recommend that your child get 4 doses of the Hib vaccine for best protection. Your child will need one dose at each of the following ages: 2 months. 4 months. 6 months (for some brands) 12 through 15 months.
The Hib vaccine is very safe, and it is effective at preventing Hib disease. Vaccines, like any medicine, can have side effects. Most children who get the Hib shot have no side effects. The most common side effects are usually mild and last 2 or 3 days.