Assertion: live virus vaccine | /r/HasProperty | effective
Facets:
Source sentences:
text: For most people with healthy immune systems, live virus vaccines are effective and safe.
text: In May 2007, the Vaccines and Related Biological Products Advisory Committee of the U.S. Food and Drug Administration (FDA) voted unanimously that a new live virus vaccine produced by Acambis, ACAM2000, is both safe and effective for use in persons at high risk of exposure to smallpox virus.