CME Questions

All of the following are true about the combination Hepatitis A and B vaccine (Twinrix) except:

a. It is recommended for susceptible persons 18 years or older.

b. The dosing schedule is 0, 1, and 6 months.

c. The most common adverse side effects are soreness at the injection site, headache, and fatigue.

d. Interchanging combination hepatitis A and B vaccine and monovalent hepatitis A and B vaccines during a series results in decreased immunogenicity.

e. Use of the combination hepatitis A and B vaccine series requires 2 less injections than individual monovalent hepatitis A and B vaccines.

Meningococcal disease in connection with Hajj pilgrims has been associated with all the following except:

a. Serogroup A meningococcus

b. Meningococcal carriage in vaccinated persons

c. A recent shift to serogroup W 135 related disease

d. Serogroup Y transmission to unvaccinated contacts of cases

e. Implementation of a requirement for quadrivalent vaccination in pilgrims (A, C, Y, and W 135)

Human infection with the roundworm Baylisascaris procyonis has been associated with which one of the following epidemiological or clinical traits?

a. Encephalitis that responds well to albendazole

b. Travel to rural areas

c. Ingestion of soil contaminated by raccoon feces

d. Ingestion of raw snails during travel along the Pacific Rim

e. Boar hunting expeditions in rural North America

Characteristics associated with the antimalarial agent, tafenoquine (WR 238605), include each of the following except one. Which one?

a. A public health role for intermittent treatment of large populations in holoendemic malarious areas.

b. Severe hemolysis when this agent is administered to G6PD-deficient individuals.

c. A long half-life, which exceeds that of primaquine many fold.

d. Activity against chloroquine-resistant strains of P vivax and P falciparum.

Published: February 2002