Introduction The common cold is a mild, self-limiting viral infection of the upper respiratory tract, primarily affecting the nose and throat. It is one of the most frequent illnesses worldwide, especially during the fall and winter months. While a cold…
Introduction Yellow fever is a serious viral infection transmitted by mosquitoes, primarily in parts of Africa and South America. The disease gets its name from the jaundice (yellowing of the skin and eyes) that can occur in severe cases. While…
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 Toxoplasmosis is an infection caused by the parasite Toxoplasma gondii. This parasite is found worldwide and can infect most warm-blooded animals, including humans. While toxoplasmosis is often mild or asymptomatic in healthy individuals, it can cause serious complications in…
