(a(i))[2]
State two other characteristics shared by all viruses.
(a(ii))[5]
Describe how vaccination may stop disease from spreading.
(b)[1]
Suggest one characteristic that could be used to place viruses into groups.
Biology 0610 · IGCSE · Diseases and immunity
State two other characteristics shared by all viruses.
Describe how vaccination may stop disease from spreading.
Suggest one characteristic that could be used to place viruses into groups.