Assertion: vaccine's bacteria | /r/HasProperty | bacille calmette-guerin
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Source sentences:
text: Among the most widely studied vectors are the bacteria, Bacille Calmette-Guerin (BCG), Listeria monocytogenes, and Salmonella species, and viruses, such as adenovirus, poxvirus, and herpes virus (Soares et al., 2012).