Bacterial Diseases

Biology

definition

Bacterial disease

Typhoid
1. Mode of transmission - Contaminated water, milk, through flies
2. Causative agent - Salmonella typhi
3. SymptomsHigh fever rise in afternoon, acute headache, red nose, reddish eruption on chest, diarrhoea

Pneumonia
1. Mode of transmission - Contact or by air
2. Causative agent - Diplococcus pneumoniae
3. Symptoms - Inflammation of lungs, high fever, breathing problem, fatigue

Cholera
1. Mode of transmission - Contaminated water, food and drinks, spread by flies
2. Causative agent - Vibrio cholerae
3. Symptoms - Acute diarrhoea, vomiting, abdominal pain, dehydration, reduced urine

Tuberculosis
1. Mode of transmission - Through air, dust, sputum of infected person, housefly
2. Causative agent - Mycobacterium tuberculosis
3. Symptoms - Persistent cough, afternoon fever, bloody mucus, loss of weight and fatigue, chest pain, breathlessness