I nfectious diseases are illnesses caused by pathogenic microorganisms, such as bacteria, viruses, fungi, or parasites, that can be transmitted from person to person or from animals to humans. These diseases can range from mild to severe and can affect various systems and organs in the body. There are numerous infectious diseases that affect humans, and they can be classified based on the type of microorganism involved and the mode of transmission. Some examples of infectious diseases include: 1. Bacterial Infections: Examples include tuberculosis, strep throat, urinary tract infections, Lyme disease, and pneumonia caused by bacteria such as Staphylococcus, Streptococcus, 1.
Escherichia coli (E. coli), and Mycobacterium tuberculosis. 2. Viral Infections: Examples include influenza, common cold, HIV/AIDS, hepatitis, measles, mumps, rubella, herpes, and COVID-19. Viruses such as influenza viruses, rhinoviruses, coronaviruses, human immunodeficiency virus (HIV), hepatitis viruses, and herpesviruses are responsible for these diseases. 3. Fungal Infections: Examples include 3. 2.
candidiasis, ringworm, athlete's foot, and fungal pneumonia. Fungi like Candida, Aspergillus, and dermatophytes can cause these infections. 4. Parasitic Infections: Examples include malaria, giardiasis, toxoplasmosis, 4. and schistosomiasis. Parasites such as Plasmodium, Giardia, Toxoplasma, and Schistosoma can cause these diseases.
Made with FlippingBook - professional solution for displaying marketing and sales documents online