Controlling viral infections

Question 1

How can viruses be passed on

Answer 1

mucus, droplets of saliva, infected blood

Question 2

How does antiviral treatments work?

Answer 2

Target the recpetors by which viruses recognise their host cells

Question 3

How does antiviral treatments work? 2/3

Answer 3

Target the enzymes that help to translate or replicate DNA or RNA

Question 4

How does antiviral treatments work? 3/3

Answer 4

Inhibit the protease enzymes that enable new virus particles to bud from host membranes

Question 5

What does mortality depend on

Answer 5

the strain of the virus
the health of the infected person
the speed which they get supported and health care

Question 6

What is a epidemic

Answer 6

when the levels of people with a particular disease are much higher than expected over a given period of time

Question 7

Which are the 6 ways of controlling a spread of a disease

Answer 7

Rapid identification of disease 
Nursing in isolation 
Preventing transmission from one individual to another 
sterilising equipment 
The wearing of protective clothing 
Identifying contacts

Question 8

What are the factors where a drug should be fast tracked

Answer 8

the severity of the disease

the avalaibilty of any other treatments for the disease

Transparnecy about the processes and informed consent if those give the treatment

Question 9

Reasons against using untested drugs include

Answer 9

Some people feel its unethical to use drugs that have not completed full human trials

if the untested drug produces unexpected side effects it can make the situation worse