MEDIUM
AS and A Level
IMPORTANT
Earn 100
One person can excrete 1013 cholera bacteria a day. An infective dose is 106. How many people could one person infect in one day?
Important Questions on Infectious Disease
MEDIUM
AS and A Level
IMPORTANT
Explain why there is such a high risk of cholera following natural disasters such as earthquakes, hurricanes, typhoons and floods.
MEDIUM
AS and A Level
IMPORTANT
Describe the precautions that a visitor to a country where cholera is endemic can take to avoid catching the disease.
MEDIUM
AS and A Level
IMPORTANT
Describe how malaria is transmitted.
MEDIUM
AS and A Level
IMPORTANT
Explain how the cells of Plasmodium differ from the red blood cells of the host.
MEDIUM
AS and A Level
IMPORTANT
List the factors that make malaria a difficult disease to control.
MEDIUM
AS and A Level
IMPORTANT
Describe the precautions that people can take to avoid developing malaria.
MEDIUM
AS and A Level
IMPORTANT
Suggest the types of advice which might be offered as part of an HIV/AIDS education programme.
MEDIUM
AS and A Level
IMPORTANT
Children in Africa with sickle cell anaemia or malaria often receive blood transfusions. Explain how this puts them at risk of HIV infection.
