Top blogger Urdu. Haemophilus influenzae type b infection. Sign Haemophilus influenzae type b infection This infection is more common in young children under 5 years of age, and older children have a relatively low risk of infection. Symptoms of meningitis are most common in invasive infections, and bacteria often enter the blood at the same time. This infection can also affect multiple parts of the body, such as the lungs, epiglottis (upper throat), joints, and bones. The clinical symptoms depend on the affected body part. Meningitis can cause fever, headache, stiff neck, and symptoms of loss of appetite, nausea, vomiting, photophobia, confusion, and lethargy. Patients with epiglottis may have symptoms such as fever, sore throat, drooling, painful swallowing, refusal to swallow, and even difficulty breathing. If the child has persistent fever, abnormal behavior and worsening of the situation, or if he has doubts about the condition, he should seek medical advice immediately. way ...