Hundreds of viruses live on showerheads and toothbrushes DW (English)Your showerhead and toothbrush are teeming with viruses. But don’t panic – these microbes could save lives CNNYour toothbrush is teeming with hundreds of types of viruses New ScientistToothbrushes and showerheads are teeming with viruses unknown to science, study shows Livescience.com