During an infection, the levels of more than one class of immunoglobulins may increase, or sometimes decrease. An increase in which of the following classes would best support the hypothesis that your patient has a helminth infection?
Identify the class of immunoglobulins that is most specifically related to your patient's infection.
a) Escherichia coli (E. coli)
b) Salmonella
c) Helicobacter pylori
d) IgE