Introduction Cholera is a severe diarrheal disease caused by infection with the bacterium Vibrio cholerae. It is most commonly found in areas with poor sanitation and limited access to clean water. Cholera can cause rapid dehydration and, if left untreated,…
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…
Introduction Hepatitis A is a contagious liver infection caused by the hepatitis A virus (HAV). It is usually a short-term illness that does not lead to chronic liver disease, but it can cause significant discomfort and, in rare cases, severe…
Introduction Hepatitis B is a liver infection caused by the hepatitis B virus (HBV). Unlike hepatitis A, hepatitis B can become chronic, leading to long-term liver damage, cirrhosis, liver cancer, and liver failure. Hepatitis B is spread through contact with…
Hepatitis B is a viral infection that attacks the liver and can cause both acute and chronic disease. It is a significant global health problem, and understanding its causes, symptoms, and prevention is crucial for public health. Causes Hepatitis B…
Introduction Polio, or poliomyelitis, is a highly infectious viral disease that primarily affects young children. The virus can invade the nervous system and, in severe cases, cause paralysis, muscle weakness, or even death. Thanks to widespread vaccination efforts, polio has…
Hantavirus infections, such as those caused by the Puumala virus, are rare viral illnesses that can be contracted from wild rodents. In some parts of the world, including northern Europe, this illness is known as “sorkfeber.” In the United States,…
