One of the biggest worries and concerns that modern physicians have is one that has been with the medical community since it was discovered: keeping the spread of infections down to a minimum. As this is the primary cause of most complications from surgeries as well as other procedures, it is a good target of address. It is also the cause of many deaths, wherein one has an already-weakened immune system, and an infection goes out of control and pushes the whole thing over. So controlling infection is important to say the least.
Fortunately, there are many ways that doctors and other medical professionals keep infections at bay. The first is to have a sanitary environment to work in. You know that sterile smell in most hospitals? That comes from the cleaning agents employed to kill germs and bacteria.
Another way to fight infection is to use disposable medical equipment. Ever see those plastic tips that doctors put on devices like when they check your temperature? This is so that the same instrument is not touching multiple people, and potentially spreading germs around. Many different types of medical tools are disposable, or at least come with disposable parts to keep infections in check (check out some of them here: https://wwemsequip.com/search.aspx?q=disposable).
Another way to help prevent the spread of germs is to keep all surfaces clean. This is why examinations tables usually have a roll of disposable paper that is used to overlay it. This way each patient’s germs stay their own. If these precautions weren’t in place, people would undoubtedly get sicker every time they went to the doctor from all the diseases other patients are carrying.
So also keep in mind that it is important to keep one’s home clean as well to prevent the spread of germs there too.