Answer: Diarrhea, Typhoid, Cholera, and Cold are some common human diseases.
Explanation:
1. Diarrhea:
- It is a type of infection caused by contaminated food and water.
- Diarrhea may be bacterial or viral.
- Watery stool, abdominal pain, and nausea are the common symptoms.
- Watery diarrhea is a common symptom of viral infection while diarrhea with blood and mucus can be seen in bacterial infection.
Prevention:
- Proper sanitation.
- Better personal and food hygiene.
- Wash your hands with soap before having food.
- Drink an adequate amount of boiled water.
2. Typhoid:
- It is a bacterial disease caused by a rod-shaped bacterium Salmonella typhi.
- Typhoid is transmitted through contaminated food and water.
- Fever, headache, dry cough, and muscle ache are the common symptoms.
Prevention:
- Proper hygiene.
- Better food and personal cleanliness.
- Wash your hands with soap before eating.
3. Cholera:
- It is a bacterial disease caused by a comma-shaped bacterium Vibrio cholerae.
- It is transmitted through contaminated food and water.
- Acute diarrhea, muscular cramps, nausea, and vomiting are the common symptoms of cholera.
Prevention:
- Use clean water when cooking and drinking.
- Wash your hands with soap.
- Keep the food items covered.
4. Cold:
- It is a viral infection of respiratory parts like the nose, and throat.
- In most cases cold is transmitted via hand-to-hand contact.
- Running nose, nasal congestion, and sneezing are the common symptoms.
Prevention:
- Use a handkerchief while sneezing.
- Wash your hand after coughing or sneezing.
- Avoid touching anything that a patient has cold touch on.