Infections of the membranes covering the brain and spinal cord and symptoms are as fever, headache, stiff neck, confusion. Usually mild and goes away on its own. Vaccinations are recommended for children 11-18. Chronic bacterial infection that usually affects the lungs and become the causes of coughing and fatigue.
VIRUS:
A very small infectious agent composed the nucleic acid surrounded by a protein coats; lack an independent metabolism and reproduces only within a host cell. Inside the host cell, it sheds its proteins covering and its genetic material takes control of the cells and creates more viruses, common cold- lasts 1-2 weeks, and it always transmitted by hand to hand contact.
VIRUS CONT. INFLUENZA:
Infections