Question: what is acute and convalescent sera? If the titer of the convalescent serum is much grater than the acute serum, what does that indicated
Question: Rubella virus can cause birth defects when the virus is acquired during a pregnancy. when the baby is born, the baby's blood is tested for IgM and IgG antibodies to the rubella virus. Results for one baby indicate no IgM antibodies but high IgG antibodies in the baby's blood. What are the implications of this result?