Hepatitis A Course (1.5hrs) JKO

A Servicemember received one dose of Twinrix before deployment to Afghanistan. It is now time for his second dose. You do not have Twinrix available. You do have single-antigen Hepatitis A vaccine. How many doses of single-antigen Hepatitis A vaccine will he need to receive to complete his primary series for Hepatitis A?

2

Which person is most likely to suffer from prolonged and severe Hepatitis A disease if infected with HAV?

A 60 year old

Which person is at greatest risk for HAV infection?

A person visiting an area in which Hepatitis A is endemic

A 23-year-old woman lives in an area where there is a high risk of Hepatitis A. She received one 0.5 mL dose of the pediatric formulation of Vaqta when she was 18 years old. Which would be the most correct immunization action?

Administer 1 mL of the adult formulation of either Havrix or Vaqta

Which statement is correct about the clinical features of Hepatitis A?

Adults are more likely than children to experience symptoms of Hepatitis A

Which statement is correct about areas of the world in which almost the entire population has been infected with HAV in childhood?

Asymptomatic children can infect susceptible adults

Four people are in the immunization clinic. All have been screened and Hepatitis A vaccine is recommended. They have read the Hepatitis A VIS form, and you have answered their questions. Now it is time to draw up the correct dosage and amount of vaccine. Select the correct dose and number of mL of vaccine to give to each person. You are giving Havrix to a 32-year-old.

Dose = 1440 units, Number of mL = 1

Four people are in the immunization clinic. All have been screened and Hepatitis A vaccine is recommended. They have read the hepatitis A VIS form, and you have answered their questions. Now it is time to draw up the correct dosage and amount of vaccine. Fill in the correct dose and number of mL of vaccine to give to each person. You are giving Vaqta to an 18 year old.

Dose = 25 units, Number of mL = 0.5

Four people are in the immunization clinic. All have been screened and Hepatitis A vaccine is recommended. They have read the Hepatitis A VIS form, and you have answered their questions. Now it is time to draw up the correct dosage and amount of vaccine. Select the correct dose and number of mL of vaccine to give to each person. You are giving Vaqta to a 25-year-old.

Dose = 50 units, Number of mL = 1

Four people are in the immunization clinic. All have been screened and Hepatitis A vaccine is recommended. They have read the Hepatitis A VIS form, and you have answered their questions. Now it is time to draw up the correct dosage and amount of vaccine. Fill in the correct dose and number of mL of vaccine to give to each person. You are giving Havrix to a 17-month-old.

Dose = 720 units, Number of mL = 0.5

A 38-year-old man will be stationed for six months in a country in which Hepatitis A is endemic. He will be leaving in four months. He receives his first dose of 50 units of Vaqta today. Which statement is accurate?

It can be assumed that he will be protected against HAV infection within four weeks, but will require a future booster dose

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. A 21-year-old man with early symptoms of HAV infection receives a 1 mL dose of the adult formulation of Havrix.

No

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. A 44-year-old man receives a 0.5 mL booster dose of Vaqta 50 units intramuscularly into a dorsogluteal site.

No

A family moves from a state where there is a low rate of Hepatitis A to a state where the average incidence of Hepatitis A is more than twice the national average. The mother and father work as emergency medical technicians for a local fire department. The parents have not received Hepatitis A vaccine. They have three children: a 6-month-old, a 12-year-old, and a 17-year-old. For which family members is routine vaccination for Hepatitis A recommended?

Only the 12-year-old and the 17-year-old

Which is the most common adverse reaction following Hepatitis A vaccination?

Redness and swelling at the injection site

In the United States, an area is considered to be high risk for Hepatitis A if which of the following is true?

The average annual incidence of Hepatitis A is at least 20 cases per 100,000 population

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. A 26-year-old woman who is three months pregnant is traveling in six weeks to an area where Hepatitis A is endemic. The physician should be consulted regarding administration of Hepatitis A vaccine.

Yes

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. A 33-year-old woman with a history of chronic liver disease receives a first dose of Vaqta 50 units.

Yes

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. A 42-year-old woman receives her first dose of 1 mL of Vaqta 50 units four weeks before she travels to Saudi Arabia for six months. No intramuscular immune globulin (IGIM) is given.

Yes

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. A healthy 16-month-old boy is given a dose of Hepatitis A vaccine. His parents are instructed to bring him back in 6 months for his second dose.

Yes

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. An 18-year-old woman who weighs 100 kg and her 19-year-old friend who weighs 66 kg come to the Hepatitis A vaccine clinic. The 18-year-old receives 0.5 mL of Vaqta 25 units, and the 19-year-old receives 1 mL of Vaqta 50 units.

Yes

Click on Yes if the person has been immunized correctly and appropriately, or on No if the immunization was incorrect or inappropriate. Health records for a new recruit indicate that she needs Hepatitis B, Td, and Hepatitis A vaccines. All three vaccines are given at the same visit at different injection sites on the body.

Yes