To help reduce this risk, MdM is working in partnership with aid organization Solidarités International to equip families with in-home chlorination kits, hygiene kits, and latrine kits, and to provide training on the proper assembly and use of the kits.The frightening situation of worldwide TB became even worse in 2006 with the detection of extensively drug resistant tuberculosis (XDR TB), a strain that is resistant to both first-line antibiotics and to two classes of second-line drugs.