| − | '''Infectious''' means capable of spreading [[disease]]. It is also known as [[communicable]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref> | + | '''Infectious''' means capable of spreading [[disease]]. It is also known as [[communicable]].<ref>https://www.cdc.gov/vaccines/about/terms/glossary.htm#i</ref> |