Chickenpox, also known as varicella, is a highly contagious viral infection caused by the varicella-zoster virus (VZV). It typically affects children but can occur in individuals of any age. Chickenpox is characterized by an...
Acquired Immunodeficiency Syndrome (AIDS) is a life-threatening condition caused by the human immunodeficiency virus (HIV). It weakens the immune system, making the body vulnerable to infections, diseases, and cancers that it would otherwise be...
Human Immunodeficiency Virus (HIV) is a chronic, potentially life-threatening virus that attacks the body’s immune system, specifically the CD4 cells (also called T cells), which are essential for immune function. Without proper treatment, HIV...
Hepatitis C is a viral infection that primarily affects the liver and can lead to both acute and chronic liver disease. It is caused by the hepatitis C virus (HCV) and can range from...
Hepatitis B is a serious viral infection that affects the liver and can lead to both acute and chronic disease. It is caused by the hepatitis B virus (HBV), which spreads through contact with...
Hepatitis A is a viral liver infection caused by the hepatitis A virus (HAV). It is one of several types of hepatitis viruses that affect the liver, but it is unique because it is...
Pneumonia is a severe respiratory infection that primarily affects the lungs, causing inflammation in the air sacs (alveoli), which may fill with pus or fluid. This condition can range from mild to life-threatening and...
Influenza, commonly known as the flu, is a highly contagious viral infection that primarily affects the respiratory system, including the nose, throat, and lungs. The virus causes annual epidemics and, less frequently, pandemics. While...
Tuberculosis (TB) is a bacterial infection caused by Mycobacterium tuberculosis, primarily affecting the lungs but can also impact other organs in the body. Although TB was once a major public health issue in many...
The common cold is the most frequent infectious disease in humans, caused by a variety of viruses, most notably rhinoviruses. Affecting the upper respiratory tract, it is typically characterized by symptoms like runny nose,...
What is Malaria? Malaria is a life-threatening infectious disease caused by parasites of the genus Plasmodium, which are transmitted to humans through the bites of infected female Anopheles mosquitoes. The five species of Plasmodium...