Saturday, December 9, 2023

infectious Diseases Starting with "H"

 H1N1 Flu or Swine Flu is a respiratory illness caused by the H1N1 Flu virus, a strain of the Influenza virus that usually affects pigs, but may also affect humans. The symptoms of Swine Flu are similar to those of the regular human seasonal flu -- fever, cough, sore throat, body aches, headaches, chills, and fatigue.

Hansen's Disease is a slow-progressing, infectious bacterial disease caused by Mycobacterium Leprae, mainly affecting the peripheral nerves and skin, also known as Leprosy. It is characterized by ulceration of the skin, nodules, and loss of sensation with eventual paralysis, the progressive debilitation leads to amputation of affected parts.

Hepatitis is an inflammation of the liver caused by viral infection, alcohol abuse, or toxic chemicals and is accompanied by jaundice, fever, and abdominal pain.

Herpes Zoster or Shingles is an infection of the nerves supplying certain areas of the skin, caused by the varicella-zoster virus, which also causes Chickenpox. After an episode of Chickenpox, the virus can remain dominant in nerve for several years and re-emerge as Shingles. Symptoms include itching, tingling, pain, and rash that turns into blisters which gradually crut over leaving scars, usually on one side of the body.

Herpes is a common viral infection caused by Herpes Simplex Virus (HSV). The infection can occur in the mouth and in the genitals manifesting as cold sores and genital sores, respectively. 

Human Immunodeficiency Virus (HIV) is a retrovirus that causes Aids, a deadly disease of the human immune system. HIV is transmitted primarily through sexual contact, the other modes of transmission are by contact with infected blood or blood products, tissue, and organ donation; sharing of needles among intravenous drug users, and from an infected mother to a child during childbirth and via breast milk.


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