Infectious Diseases

Question 1

When should testing for STIs be carried out after an UPSI ( unprotected sexual intercourse )?

Answer 1

2 and 12 weeks.
( The rationale is that different STIs have varying incubation periods, and testing at these time points helps to identify infections that may not have been detectable earlier )

Question 2

27 year-old male from Uganda
Complaining of fatigue and purple skin lesions over whole body
Examination: multiple raised purple lesions.
Recent herpes zoster infection

What is the likely diagnosis?

Answer 2

Kaposi’s sarcoma.

Question 3

State the most common complication of measles.

Answer 3

Otitis media

Question 4

State the most common cause of death in measles.

Answer 4

Pneumonia.

Question 5

How many doses of tetanus vaccine generally confers life-long protection?

Answer 5

5

Question 6

How long does the child with measles infection need to be off school?

Answer 6

4 days from onset of rash

Question 7

Croup is caused by which pathogen?

Answer 7

Parainfluenza virus

Question 8

Bangaldeshi child with coryzal symptoms ( runny nose, sneezing ), with severe bouts of coughing that causes him to turn red and vomit.

Answer 8

Pertussis

Question 9

URTI symptoms ( sore throat + pyrexia + lymphadenopathy ) + amoxillin + widespread pruritic maculopapular rash after starting antibiotic. Diagnosis?

Answer 9

Infectious mononucleosis