Which of the following is a disease caused by virus?

Concept:

Virus:

• Virus means venom or poisonous fluid.
• viruses also contain genetic material, that could be either RNA or DNA.
• Viruses are non-cellular organisms that are characterised by having an inert crystalline structure outside the living cell.
• Viruses are obligate parasites.

Explanation:

Chickenpox:​

• Varicella is another name for chickenpox.
• It is a viral, contagious illness.
• It is an infectious disease that is extremely contagious and is primarily brought on by the Varicella zoster virus.
• There is a 10- 21 day incubation period.
• By directly touching an infected person's blisters, saliva, or mucus, one can contract chickenpox.

Thus, chickenpox is a disease caused by viruses.

Additional InformationCholera:

• The bacterium Vibrio cholerae is what causes the bacterial illness of cholera.
• It develops as a result of consuming tainted foods and beverages.

Tuberculosis:

• Tuberculosis is an airborne illness that spreads through close contact with an infected person.
• One of the primary causes of the development of this infectious disease is the bacteria Mycobacterium tuberculosis.

Leprosy:

• Leprosy is a bacterial infectious disease that can harm limb nerves and result in severe skin sores.
• The slow-growing bacteria Mycobacterium leprae is what causes this disease.