Question

Write very briefly about the following :

BCG, Incubation period, Chicken pox, Hepatitis A <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> [Review Questions - Pg No.165 - LAT - 1]

Answer 1

BCG

• Tuberculosis is a bacterial disease caused by a rod shaped bacterium named Mycobacterium tuberculosis.
• It spreads through the sputum of infected person.
• This disease mainly affects the lungs of the person.
• In order to prevent tuberculosis, a vaccine popularly known as BCG is given to the babies after few days of their birth.
• It develops the immunity in new-born babies against tuberculosis.
• The full form of BCG is Bacille Calmette-Guerin.

Incubation period

• Infectious or communicable disease spread from one person to another and are caused by pathogens.
• When a disease causing pathogen enters a human body, it takes some time to show the symptoms of the disease.
• This time period in which the symptoms of the disease are visible after the entry of a pathogen is called incubation period.

Chicken pox
Chicken pox is a viral disease caused by Herpes Varicella Zoster virus that spreads rapidly from one person to another

Hepatitis A
Hepatitis A is a viral disease caused by Hepatitis A virus that results in inflammation of liver.