A health service investigated an unnamed communicable disease, disease Q.

Samples and patient records gave the following results.

Evidence	Result
Type of pathogen found in discharge samples	Bacterium
Patients with a thick yellow or green discharge	42 out of 50
Patients with pain when urinating	39 out of 50

The health service also monitored people who had different types of contact with an infected person.

Type of contact	Number monitored	Number who later developed disease Q
Sexual contact	50	31
Shared a meal	50	0
Worked in the same room	50	0

Identify disease Q and use the evidence to justify your answer.

Then explain one action that could reduce the spread of disease Q.

A health service investigated an unnamed communicable disease, disease Q.

Samples and patient records gave the following results.

Evidence	Result
Type of pathogen found in discharge samples	Bacterium
Patients with a thick yellow or green discharge	42 out of 50
Patients with pain when urinating	39 out of 50

The health service also monitored people who had different types of contact with an infected person.

Type of contact	Number monitored	Number who later developed disease Q
Sexual contact	50	31
Shared a meal	50	0
Worked in the same room	50	0

Identify disease Q and use the evidence to justify your answer.

Then explain one action that could reduce the spread of disease Q.

3.1 Communicable diseases

3.1 Communicable diseases Questions