MediaWiki:Apihelp-edit-param-md5
A fragment of the Garden of Remembering
The MD5 hash of the $1text parameter, or the $1prependtext and $1appendtext parameters concatenated. If set, the edit won't be done unless the hash is correct.
The MD5 hash of the $1text parameter, or the $1prependtext and $1appendtext parameters concatenated. If set, the edit won't be done unless the hash is correct.
It seems, therefore, that flatus can cause infection if the emitter is naked, but not if he or she is clothed.
