Question

on-communicable diseases
PAGE 5: VIRUS
(a) Define Virus; Brief history of Virus (2-3 lines)
(b) Corona Virus (Covid-19 virus): Definition of Corona virus, Brief
history about its origin (2-3 lines); How it is caused (2-3 lines).
Precaution/ Treatment (3/4 lines)
(c) BLANK SIDE: Stick pictures of corona virus.
PAGE 6: (a) Explain in brief the New Strain of Coron7a virus (3/4
lines); Covid Warriors: Explain in brief.
(b) BLANK SIDE: Stick 5/6 pictures of Covid Warriors.
RAISSION OF DISEASES:​

Answer 1

Answer:

A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.[1] Viruses infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea.[2][3]