Biology- Infectous diseases

Name of disease Cause Mode of transmission Signs and symptoms Prevention, control and treatment Tuberculosis (Consumption) mycobacterium tuberculosis(bacteria) droplet infection. Drinking milk from infected cattle septum contains blood. Cough. Weight loss. Infection of lungs most common. reduce crowded living conditions. Improve ventilation. Improve nutrition. Give BCG vaccine to prevent it. Give antibiotics to cure. Malaria plasmodium ssp (protoctist) bite from vector; female anopheles mosquito. fever, Headaches, nausea, sweating. provide nets and sprays. Use good drainage. Kill mosquitos. Tourists should use prophylaxic drugs, socks, sprays and nets. AIDS Human immunodeficiency Virus sexual intercourse, infected blood entering the blood stream, from mother to baby via placenta or milk. short flu like illness short after infection (rash and swollen lymph glands), HIV + stage (no symptoms for weeks or years), ARC (AIDS related complex). wear condoms, practice monogamy. Inject with clean needles, screen blood, educate people.