Question

1. What type of virus is Covid 19? An RNA Virus? A DNA Virus? a. Where is the virus thought to have originated in China? b. How is the virus passed from person to person (we think)? c. Why do you think older people are so severely affected by this virus (Besides just the fact they are older and may be in poorer health)?

Answer 1

Q.1

Ans : corona viruses is a virus infect to host and corona possess RNA.

a)

ANS : corona virus is originated from China becauae of some individuals cases first found in the china.

B)

ANS: The corona virus pass person to person by direct or indirect contact .when healthy person comes in contact with infected person . It also pass through droplet .hand meeting and from crowded places where is sufferer. It also pass by Cough and secretion .viruses come in body by respiratory system like nose and mouth eyes etc.

C)

ANS : in corona infection older people affected because of every individual is has immunity system and immunity fight agains several types of the infection. In older person there is very low immunity in form of (Natuaral immunity ,immunity by lymphocyte etc) .

By the immune dificiency older people mostly infected and Affected from corona virus.