anyone who is moderately to severely ill when a chickenpox shot is scheduled should wait until the illness passes before getting the shot. also anyone who had an allergic reaction to the first shot should not get the second shot. other people who should not get the shot include: pregnant women because the vaccine's effect on the fetus is not known. anyone allergic to gelatin; a gelatin-free version of the varicella vaccine is available. anyone allergic to neomycin. anyone with an immune system disease. anyone being treated for cancer with x-rays drugs or chemotherapy.
should some people not get a chickenpox shot?