Changes

'''Infectious agents''' are organisms capable of spreading [[disease]] (e.g. [[bacteria]] or [[viruses]]).<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref>

'''Infectious agents''' are organisms capable of spreading [[disease]], such as [[bacteria]], [[viruses]], [[fungi]], or [[parasites]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref>

==References==

==References==