houseflies
... that houseflies have been used in germ warfare to distribute cholera?
... that <b id="mwCEk"><a href="./Housefly" id="mwCEo" rel="mw:WikiLink" title="Housefly">houseflies</a></b> have been used in germ warfare to distribute <a href="./Cholera" id="mwCEs" rel="mw:WikiLink" title="Cholera">cholera</a>?