Introduction Human Immunodeficiency Virus (HIV) is a virus that attacks the body’s immune system, specifically the CD4 cells (T cells), which help the body fight infections. If left untreated, HIV can lead to Acquired Immunodeficiency Syndrome (AIDS), a condition in…
Introduction Malaria is a serious and sometimes life-threatening disease caused by parasites of the genus Plasmodium. It is transmitted to humans through the bite of infected female Anopheles mosquitoes. Malaria is most common in tropical and subtropical regions, including parts…
Introduction Anthrax is a rare but serious infectious disease caused by the bacterium Bacillus anthracis. It primarily affects animals such as cattle, sheep, and goats, but humans can become infected through direct or indirect contact with sick animals or contaminated…
Introduction Mpox, formerly known as monkeypox, is a rare viral disease that can infect both humans and animals. It is caused by the monkeypox virus, which is related to the virus that causes smallpox, though mpox is generally less severe.…
Introduction Rabies is a deadly viral disease that affects the central nervous system of mammals, including humans. Once symptoms appear, rabies is almost always fatal. However, the disease is preventable through prompt medical care after exposure. Rabies is found worldwide,…
Introduction Tetanus, also known as lockjaw, is a serious but preventable disease caused by a toxin produced by the bacterium Clostridium tetani. The bacteria are commonly found in soil, dust, and animal feces. Tetanus can cause severe muscle stiffness and…
Introduction Toxic shock syndrome (TSS) is a rare but life-threatening condition caused by toxins produced by certain types of bacteria, most commonly Staphylococcus aureus and, less frequently, Streptococcus pyogenes. TSS can develop rapidly and affect multiple organ systems. Early recognition…
Introduction Salmonella infection, also known as salmonellosis, is a common bacterial illness that affects the digestive system. It is typically caused by eating food or drinking water contaminated with Salmonella bacteria. While most cases result in mild to moderate gastrointestinal…
Introduction Traveler’s diarrhea (TD) is a common illness that affects people traveling to areas with poor sanitation and hygiene. It is typically caused by consuming food or water contaminated with bacteria, viruses, or parasites. While TD is usually mild and…
Introduction Winter vomiting disease, commonly known as norovirus infection, is a highly contagious viral illness that causes sudden onset of vomiting and diarrhea. Norovirus, a member of the calicivirus family, is the most common cause of acute gastroenteritis worldwide. Outbreaks…
