'get illnesses' is correct and usable in written English.
You can use it when you are talking about a person, or group of people, contracting a sickness or illness. For example, "The number of people who have been getting illnesses due to the outbreak has been rising."
See, I never get illnesses or conditions when they're trendy.
People get illnesses by luck; it likes some more than others.
We all know it does have a [bad] impact on our health and we may get illnesses and diseases.
Did you know that birds and other small animals are more likely to get illnesses than humans?
Also you are less likely to get illnesses (and even spots!) due to a better working immune system.
This is because while it's rare to get illnesses like measles, if you get them while you're pregnant it can have serious consequences for your baby.
71% said work-related stress had taken a toll on their own health and contributed to them getting illnesses such as clinical depression, type 2 diabetes, high blood pressure, stomach ulcers and fatigue.
"We need people to understand that the benefits for all of us - our children and people who have got illnesses - are absolutely essential when it comes to using health records for research," said Neil Patel, from the Royal Pharmaceutical Society.
Regular exercise reduces body fat, fights against obesity and helps lower the risk of getting illnesses associated with obesity, like diabetes, according to the American College of Sports Medicine.
"They have a lot of advice on how people can live and avoid getting illnesses that are dangerous to your life".
As the patient of Hong Kong traveled to Guangdong Province (Shenzhen) before getting illness, and probably was infected by the poultry in Shenzhen, it was no surprise that those viruses were similar.
