ebv

Question 1

incubation of EBV

Answer 1

4-7 weeks and infection can last 2-4 weeks. can be infectious up to 18 months after infection

Question 2

presentation in > 40y/o is atypical

Answer 2

○ Without sore throat and lymphadenopathy (in more than 50% of people).
○ With unexplained fever of more than 2 weeks’ duration.
○ With jaundice (in about 20% of older adults).

Question 3

EBV lymphadenopathy

Answer 3

mostly bilateral posterior cervical

Question 4

EBV diagnosed in > 12y/o and immunocompetent

Answer 4

○ FBC with differential white cell count and monospot test (heterophile antibodies) in second week of illness

Question 5

strep sore throat

Answer 5

usually anterior cervical lymphadenopathy