Understanding Haemophilus Influenzae Type B (Hib) and Vaccine Reactions

Vaccines play a critical role in protecting children from serious diseases. One important early-life vaccine defends against Haemophilus influenzae type b (Hib), a dangerous bacterial infection spread through saliva or mucus—typically by coughing or sneezing.

The Hib vaccine has saved tens of thousands of children each year from life-threatening complications. However, like all vaccines, it carries a small risk of adverse reactions.

What Is Haemophilus Influenzae Type B?

Hib is a naturally occurring bacterium found in the nose and throat. While most adults develop natural immunity, infants are especially vulnerable. A mother’s antibodies protect the baby only for a few months after birth, making early vaccination critical.

Serious complications from a Hib infection may include:

• Meningitis: Hib can spread to the spinal cord and brain lining, leading to high fever, neck stiffness, seizures, paralysis, deafness, or even death.

• Pneumonia: Hib bacteria may inflame the lungs, causing severe breathing difficulties as fluid fills the alveoli (air sacs).

• Cellulitis: This skin infection starts with redness and swelling, spreading rapidly and leading to fever and chills.

• Epiglottitis: Inflammation of the epiglottis can block the airway, resulting in a medical emergency and potential suffocation.

• Septic Arthritis: Hib infection in the joints causes extreme pain, swelling, and mobility loss, commonly in the knees, hips, or wrists.

• Sepsis: Hib can invade the bloodstream, leading to widespread infection, organ failure, and potentially fatal septic shock.

Known Reactions to the Hib Vaccine

The Hib vaccine was introduced in the 1990s and uses a polysaccharide component of the bacteria to stimulate the immune system. The vaccine is typically given to infants in three to four doses, starting at two months of age and completing before the child’s first birthday.

While the Hib vaccine is highly effective and considered safe, minor side effects have been reported, including:

• Fever: Low-grade fever for a few days post-vaccination is relatively common.

• Shoulder Pain: Some children experience soreness or pain at the injection site.

• Combination Vaccine Reactions: Hib is often administered with other vaccines, slightly increasing the risk of allergic reactions or side effects.

Can You Get Compensation for Hib Vaccine Reactions?

If your child suffered a severe reaction after receiving the Hib vaccine, you may be eligible for compensation through the National Vaccine Injury Compensation Program (VICP). The VICP helps families cover:

• Medical bills

• Lost wages

• Pain and suffering

At Shannon Law Group, P.C., we represent vaccine injury victims nationwide. Our experienced attorneys can help you navigate the VICP claims process and fight for the full compensation your family deserves.

Contact us today by filling out our online form or calling (312) 578-9501 to schedule a free, no-obligation consultation.