House flies are known to carry and spread some very serious diseases. These diseases can include cholera, salmonella and gastroenteritis.

They can transmit these diseases because of their feeding and breeding habits. Flies feed on decaying and rotting matter, as well as faeces, so the bacteria from these places gets transferred to them. When they land on any other surfaces or food, they immediately contaminate it with this bacteria. This is a problem in a domestic situation, as well as in a food business setting.
The most common way you can catch diseases that are transmitted by flies is by eating the contaminated foods and liquids. If a house fly has landed on your food or cooking utensils, they will have contaminated it.
You can also catch house fly transmitted diseases by touching infected products then touching your eyes or open wounds like scratches.
Taking proactive measures when you have a pest fly problem can help you avoid house flies and the diseases they carry. Keeping a clean and tidy home will help to prevent the spread of any house fly transmitted diseases. Make sure that you don’t leave any food out on the side, and disinfect your work surfaces before you prepare food on them.
Check around your home to see if there are any entry points flies could be getting into your home through. Seal up any cracks or gaps a fly could use to gain access to your home.
Making sure that your kitchen counters are clean and that your utensils are as well, will go a long way in making sure no one in your house suffers from  house fly diseases. In commercial settings such as restaurants, the UK has trading standards for flies, so follow those guidelines. You can also eliminate common breeding sites around your home. To do this, you should make sure you take the bins out every day. When you put them outside, put them in a sealed bin with a closing lid.
The most effective way you will get rid of a fly infestation in your home is to call in a local pest controller. An expert pest exterminator can find the source of your fly problem, and use the right products to get rid of it quickly.