EVERYDAY SCIENCE

Detailed explanation-1: -Meningitis is an inflammation (swelling) of the protective membranes covering the brain and spinal cord. A bacterial or viral infection of the fluid surrounding the brain and spinal cord usually causes the swelling. However, injuries, cancer, certain drugs, and other types of infections also can cause meningitis.

Detailed explanation-2: -Meningitis is usually caused by a viral or bacterial infection. Viral meningitis is the most common and least serious type. Bacterial meningitis is rare, but can be very serious if not treated.

Detailed explanation-3: -Meningitis is an infection of the membranes (meninges) that protect the spinal cord and brain. When the membranes become infected, they swell and press on the spinal cord or brain. This can cause life-threatening problems. Meningitis symptoms strike suddenly and worsen quickly.

Detailed explanation-4: -People spread meningococcal bacteria to other people by sharing respiratory and throat secretions (saliva or spit). Generally, it takes close (for example, coughing or kissing) or lengthy contact to spread these bacteria. Fortunately, they are not as contagious as germs that cause the common cold or the flu.

Detailed explanation-5: -a high temperature (fever) being sick. a headache. a rash that does not fade when a glass is rolled over it (but a rash will not always develop) a stiff neck. a dislike of bright lights. drowsiness or unresponsiveness. seizures (fits)