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Hepatitis and Polio are both diseases that are caused by viruses. Viruses are microscopic infectious agents that cannot reproduce on their own; instead, they require a living host cell to multiply. These diseases highlight how viral infections can affect different organs and systems of the human body.
Hepatitis refers to inflammation of the liver, most commonly caused by viral infections. There are several types, named Hepatitis A, B, C, D, and E, each caused by a different virus. For example, Hepatitis A is spread through contaminated food and water, while Hepatitis B and C are often transmitted through blood, unsafe injections, or from mother to child during birth. The liver is one of the most vital organs, responsible for detoxifying blood, storing nutrients, and aiding digestion. When it becomes inflamed due to a viral infection, normal liver functions are impaired, leading to symptoms such as jaundice, fatigue, nausea, and abdominal pain.
Polio (Poliomyelitis) is also a viral disease, caused by the poliovirus. This virus primarily affects the nervous system and can, in severe cases, cause paralysis. Polio spreads mainly through the fecal-oral route, meaning contaminated food, water, or hands can carry the virus into the body. Once inside, the poliovirus invades the nervous system and can damage motor neurons, which control muscle movements. Fortunately, polio has been nearly eradicated in most parts of the world due to widespread vaccination campaigns, though it still exists in a few regions.
Both hepatitis and polio remind us of the importance of vaccines and hygiene. Vaccines for Hepatitis B and polio are part of routine immunization programs globally, saving millions of lives.
Hepatitis = viral infection of the liver.
Types: Hepatitis A, B, C, D, E.
Polio = viral infection affecting the nervous system, may cause paralysis.
Both diseases are caused by viruses, not bacteria, fungi, or other organisms.
Vaccination and hygiene are key preventive measures.
👉 Final Answer: Hepatitis and Polio are caused by viruses.
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