Hepatitis A

What is Hepatitis A? Hepatitis A is a highly contagious viral liver infection that can cause mild to severe infection or illness. Hepatitis A is preventable by vaccine. Hepatitis A disease is caused by the hepatitis A virus (HAV). This infection spreads from consuming contaminated food or water or through direct contact with an infectious person. Check out here viral hepatitis and non-viral hepatitis. Hepatitis A virus is found in human poop (faeces). The virus is primarily transmitted when an unvaccinated or uninfected person ingests food or water that is contaminated with the faeces of an infected person.  Note –

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foodborne illness

Introduction – Food Poisoning (Foodborne illness) Foodborne illness refers asFood poisoning is common health problem over the world. Food poisoning occurs by ingestion of bacteria or chemicals or poison derived from plant and animals as result of eating contaminated, spoiled, or toxic food. Epidemiological Triad Agent- The causative agent of food poisoning are two types- Bacterial and Non- bacterial Bacterial agent such as – Salmonella, Staphylococcus, Bacillus cereus etc, causes food poisoning either by living bacteria or their toxins. Non- bacterial agent  – are chemical such as arsenic and sea food, chemicals

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Hepatitis

Hepatitis A, B, C, D, E  Viral hepatitis is an infection that causes inflammation and damage of the liver. Hepatitis refers as “inflammation of the liver”.This condition can progress to fibrosis (scarring), cirrhosis, or liver cancer.Viral hepatitis caused by hepatitis viruses such as hepatitis A, hepatitis B, hepatitis C, hepatitis D, hepatitis E.Hepatitis A is usually caused short-term infection while hepatitis B and C can cause long-term, or chronic hepatitis infections. An individual can have both hepatitis B and hepatitis C at the same time.Hepatitis A and E are typically caused by consuming of contaminated food or water while Hepatitis B,

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Typhoid Fever

Introduction – Typhoid Fever (Enteric Fever)  Typhoid fever, also known as enteric fever, Typhoid is an infection caused by Salmonella typhi bacteria. This infection leads to fever and spreads through ingesting contaminated food and water. The causative agent of Typhoid fever is Salmonella typhi, which cause rise to inflammatory destruction of the mucosa of the G.I. tract. The bacterium responsible for typhoid is called Salmonella typhi and Salmonella Paratyphi bacteria (Paratyphi A, Paratyphi B, or Paratyphi C) cause paratyphoid fever. Typhoid fever is a bacterial infection that can cause high fever, diarrhea, and vomiting.

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Cholera

Introduction- Cholera Infection Cholera is an infectious diarrheal disease cause’s severe watery diarrhea, which can lead to dehydration and if left untreated death can occur. Cholera is caused by drinking water or eating food that are contaminated with a bacterium called Vibrio cholerae. Cholera is an acute diarrheal infection that caused intestine illness by exposure to Vibrio cholerae bacteria.  Cholera is an infection of the small intestine by causative agent bacterium Vibrio cholera that causes acute diarrhoeal illness.  Most of infected symptoms of cholera may range mild to severe. Cholera

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Poliomyelitis

Poliomyelitis or Polio or Infantile Paralysis Poliomyelitis, also called polio or infantile paralysis. Polio is an acute viral infectious disease caused by the poliovirus (RNA viruses); three types  PV-1, PV-2, and PV-3.  Mostly polio infection occurs due to type-l poliovirus.  Viruses colonize the gastrointestinal tract (GI), specifically in the oropharynx and  intestine. Poliovirus is highly contagious and spreads through person to person contact. This viruses lives in an infected person’s throat and intestines. Polio or poliomyelitis Infection mainly affects children under age of  5 years. The word “myletis” means an inflammation in the “spinal cord”, which

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Amoebiasis

Introduction – Amoebiasis (Amoebic Dysentery) Dysentery term refers is infectious diarrhea, Inflammation of the intestines characterized by bloody diarrhoea. Dysentery is an intestinal inflammation, primarily affects colon. It can begin to mild or severe stomach cramps and severe diarrhea with mucus or blood in the stool. Without adequate hydration, it can be deadly. Types of Dysentery There are the two major types of dysentery – 1. Amoebic dysentery or or intestinal amoebiasis 2. Bacillary dysentery or or shigellosis Bacillary dysentery Bacillary and amoebic dysentery are both highly infectious. Bacillary dysentery, also called shigellosis, is caused

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Bacillary Dysentery

Bacillary Dysentery – Shigella infection Dysentery is most often caused by shigella bacteria (shigellosis) or an amoeba. Dysentery is usually spread through contaminated food or water. Dysentery is an infection of the intestinal tract and is associated with severe diarrhea. Bacillary dysentery is a gastrointestinal illness or gastroenteritis infection caused by Shigella bacteria which can be found in the human gut. This infection may be asymptomatic or present with abdominal pain, diarrhea, or dysentery. A key symptom is bloody diarrhea and also abdominal cramps, abdominal

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Diarrhoeal Diseases

Introduction – Diarrhoeal Diseases Diarrhoea is a condition in which loose stools, watery stools occur more frequently than usual. Diarrhoea is a major health problem among children under 5 years of age. Diarrhoea is defined as the passage of frequent three or more loose or liquid stools per; more frequent passage than is normal. Diarrhoea is usually a symptom of an infection in the intestinal tract, which can be caused by bacteria, viral and parasitic organisms. This infection is spread through ingesting contaminated food or drinking-water, or from person to

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Acute Respiratory Infection

Introduction – Acute Respiratory Infection (ARI) ARI is the most common respiratory infection tract. It found in mostly among young children and elder people. Acute respiratory infection (ARI) is an infection that may interfere with normal breathing and difficult to breathe normally. Acute respiratory infections (ARIs) can affect in upper respiratory track infection (URIs)  and lower respiratory tract (LRIs).  ARI commonly occurs as a viral infection, in the nose, trachea (windpipe), or lungs. If the infection is not get treated then it can spread to the entire respiratory

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