Question

write briefly on i) hepatitis A, ii) hepatitis B, and iii) hepatitis C​

Answer 1

Answer:

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Answer 2

i) Hepatitis A:

Hepatitis A is an inflammation of the liver that can cause mild to severe illness.

The hepatitis A virus (HAV) is transmitted through ingestion of contaminated food and water or through direct contact with an infectious person.

Almost everyone recovers fully from hepatitis A with a lifelong immunity. However, a very small proportion of people infected with hepatitis A could die from fulminant hepatitis.

The risk of hepatitis A infection is associated with a lack of safe water and poor sanitation and hygiene (such as contaminated and dirty hands).

A safe and effective vaccine is available to prevent hepatitis A.

ii) Hepatitis B:

Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV). For some people, hepatitis B infection becomes chronic, meaning it lasts more than six months. Having chronic hepatitis B increases your risk of developing liver failure, liver cancer or cirrhosis — a condition that permanently scars of the liver.Most adults with hepatitis B recover fully, even if their signs and symptoms are severe. Infants and children are more likely to develop a chronic (long-lasting) hepatitis B infection.

A vaccine can prevent hepatitis B, but there's no cure if you have the condition. If you're infected, taking certain precautions can help prevent spreading the virus to others.

iii) Hepatitis C:

Hepatitis C is a disease that causes inflammation and infection of the liver. This condition develops following the transmission of the hepatitis C virus (HCV).The most common hepatitis types in the United States are hepatitis A, B, and C. Unlike hepatitis A and B, there’s no vaccine for hepatitis C, although efforts to create one are ongoing.Hepatitis C can be either acute or chronic. If you have symptoms of acute hepatitis C, they generally set in quickly and last only a few weeks.Chronic hepatitis C symptoms develop over a period of months or years and may not be apparent at first.The World Health Organization (WHO) estimates that 71 millionTrusted Sourcepeople around the world have chronic hepatitis C.