According to the Institute of Environmental Medicine and Hospital Hygiene at Freiburg University , Germany , antibacterial additives in some household products may be useless or even dangerous , reports the German newspaper Westfälische Nachrichten .
According to the Institute of Environmental Medicine and Hospital Hygiene at Freiburg University , Germany , antibacterial additives in some household products may be useless or even dangerous , reports the German newspaper Westfalische Nachrichten .