Disease Causative Agents

Rabies is a life-threatening condition that causes tens of thousands of deaths worldwide every year. It’s caused by a virus that attacks the central nervous system. The virus is transmitted to humans via bites and scratches from infected animals. The symptoms of rabies can present themselves just a few days after a bite, or they might take as long as 12 weeks. The common symptoms includes fever, headache, nausea and fear of water due to difficulty in swallowing, insomnia etc. 

Rabies or hydrophobia is a viral disease that causes inflammation of the brain in humans and other mammals. Early symptoms include fever and tingling at the site of exposure. The other symptoms include violent movements, uncontrolled excitement, fear of water, an inability to move parts of the body, confusion, and loss of consciousness. Hence, rabies is caused by the rabies virus.

Hydrophobia, also known as rabies is a viral disease that causes inflammation of the brain in humans and other mammals. Early symptoms can include fever and tingling at the site of exposure. Rabies virus is typically transmitted to humans by the bite of an infected mammal, often a carnivore or a bat. If rabies is untreated properly, 100% fatality rate is associated with infection. 

Zoonotic disease refers to an infectious disease, and it can be passed directly or indirectly between species such as from vertebrate animals to humans. It is transmitted to humans is rabies, and humans acquire this disease from animals (dogs, cats and monkeys). The disease (rabies)-causing agent is a virus.

Explanation: In humans it may take from as early as two weeks to as late as one year after exposure for symptoms to appear.

Rabies is a viral disease that causes inflammation of the brain in humans and other mammals. Early symptoms can include fever and tingling at the site of exposure. These symptoms are followed by one or more of the following symptoms: violent movements, uncontrolled excitement, fear of water, an inability to move parts of the body, confusion, and loss of consciousness. Once symptoms appear, the result is nearly always death. The time period between contracting the disease and the start of symptoms is usually one to three months, but can vary from less than one week to more than one year. The time depends on the distance the virus must travel along peripheral nerves to reach the central nervous system.

The cattle plague, also known as rinderpest, devastated livestock in Africa during the 1890s, causing widespread famine and social disruption.

Hay fever is an allergic reaction to environmental allergens, most commonly pollen grains from trees, grasses, or weeds.

Dislocation is a disease which occurs when there is an abnormal separation in the joint, where two or more bones meet. Most common sites of dislocation are shoulder, hip, patella, ankle and fingers. Dislocations are often caused by sudden trauma on the joint like an impact or fall. Mechanical agents are the major cause of dislocation, sprains, injuries, fractures etc.

Rheumatoid arthritis is an autoimmune disorder where the immune system attacks the joints. A common diagnostic marker is the presence of rheumatoid factor, which is typically an IgM antibody.

• Autoimmune diseases are a group of disorders in which tissue injury is caused by humoral(autoantibodies)or cell-mediated(by autoreactive T cells) immune response to self-antigens.
  
• Myasthenia gravis is caused by an autoantibody against muscle antigen and acetylcholine receptor antigen.
  
• Myasthenia gravis is characterized by increased muscular weakness the make one fatigue. speaking, breathing and talking becomes tired some. Hence myasthenia gravis is an example of autoimmune disease.
  
• So, the correct answer is 'Autoimmune disease'.
  

Mycobacterium is an aerobic and non-motile bacteria which are pathogens (some causing tuberculosis).
Cancer causing bacteria (like H.pylori causing gastric cancer) or viruses are organisms known to or suspected to cause cancer and are carcinogens.
Hepatitis A virus is responsible for causing hepatitis A infection.
Lymphadenopathy Associated virus is a human retrovirus which is another name for HIV, human immunodeficiency virus responsible for AIDS. So, this virus causes an infection, AIDS and also causes cancer, Kaposi's sarcoma.
Therefore, the correct answer is option B.

Disease that lasts for longer period of time is called chronic. Cancer is a disease caused due to abnormal growth of body cell mass.