Bacteria and Fungal Biofilms Kill and Disable! Biofilms can Weaken Antibiotics by 98%. Biofilms are a disaster in medical care and can make infections impossible to kill. Many illnesses are associated with biofilms: mouth spirochetes causing plaque and gum disease, lyme disease, severe sinus infections, dangerous lung and intestinal infections, wounds, cystic fibrosis, catheters, medical implants and ear infections. This book offers Diverse Biofilm Killing Options. Publisher description.