Diphtheria is caused by the bacterium Corynebacterium diphtheriae. The bacteria release toxins that can cause a thick, gray coating to form in the throat and nose, making it difficult to breathe and swallow. Diphtheria is highly contagious and is spread through respiratory droplets from coughing or sneezing. Other causes of diphtheria include poor hygiene, overcrowded living conditions, and lack of immunization.  Read More

The symptoms of polio can vary depending on the severity of the infection. In some cases, polio may cause no symptoms at all. However, in more severe cases, symptoms may include: 1. Fever 2. Fatigue 3. Headache 4. Sore throat 5. Stiff neck and back 6. Muscle weakness or paralysis, usually in the legs 7. Muscle pain or tenderness 8. Difficulty swallowing or breathing 9. Abnormal refle  Read More

1. Travel to areas with poor sanitation and hygiene practices, particularly in developing countries where typhoid fever is more common. 2. Consuming contaminated food or water, such as fruits and vegetables washed in contaminated water or undercooked seafood. 3. Living in crowded or unsanitary conditions. 4. Lack of access to clean drinking water and proper sanitation facilities. 5. Being in close contact with someone w  Read More