Assertion: vaccine | /r/MadeOf | live virus
Facets:
Source sentences:
text: These vaccines contain a live virus that has been weakened during the manufacturing process so that they do not cause the actual disease in the person being vaccinated.
text: Because some vaccines contain live viruses (e.g., chickenpox, rotavirus, measles, mumps, rubella, and polio [a version no longer used in the U.S.], people wonder whether the viruses from vaccines are shed and can, therefore, make other people sick.