Pathogenic microorganisms like bacteria, viruses, parasites and fungi can cause infectious diseases, in which the diseases can be spread directly or indirectly from one person to another. Sepsis, influenza, tuberculosis, hepatitis are some of the common infectious diseases affecting the worldwide population.

Signs and Symptoms

Signs and symptoms of an infectious diseases depend on the organism causing the infection, but fever and fatigue are the most common signs and symptoms of infectious diseases. In addition, other general signs and symptoms include diarrhea, muscle aches and coughing.

You should seek immediate medical attention if you:

- Have prolonged (more than 5 days) or unexplained fever with or without headache

- Have prolonged (more than 7 days) coughing

- Have difficulty in breathing

- Have sudden vision problems

- Experience a rash or swelling

- Have been bitten by an animal

Prevention of Infection

To minimize your risk of infection, you are advised to have good personal hygiene, eg: wash your hands before eating and after using the toilet. Avoid sharing personal items like toothbrush, comb, razor, towel, drinking glasses and dining utensils. In addition, get vaccinated and practice safe sex can also reduce your chance of contracting many diseases.