Answer Happy

Case Study: A Vietnamese woman aged 57 years, who
migrated with her family to New Zealand two years ago, has been
found to have cirrhosis and liver cancer. Further blood tests
provide the following results: HBsAg +ve and HBeAg
+ve.
What chronic infection is likely to have led to the
development of cirrhosis and liver cancer in this woman?
(10%)
Hepatitis B
At what point in this woman's life is she likely to have
acquired this infection? (10%)
Her two children, now aged 33 and 35 years, are
concerned about whether they may have the same
infection.
What is the approximate chance that they do have the
same infection? (10%)
What blood test should be done to determine whether
these young adults have the same infection? (10%)
The Vietnamese woman has two grandchildren, who were
born in New Zealand
in the last 15 months.
What public health interventions are likely to have
prevented these children from also becoming infected with the same
chronic virus infection? (30%)
What blood test result in these children would provide
reassurance that they are immune to the chronic virus infection?
(10%)