The House Fly The house fly is capable to harm people and can spread several diseases such as dysentery and food poisioning. However, I see a number of house flies in my home daily but never experienced any health issues from them. I don’t know how to keep them away from my home. What did you do to prevent house fly from entering your home? You can read more here http://www.idph.state.il.us/envhealth/pcfilthflies.htm I captured the image of this house fly just before I went to sleep last night. The photograph was taken by Nokia 5 device.