First, I see no italics. Second, your sentence looks like it has no errors.
Answer:
Parents are refusing to vaccinate their children, and this is causing a growing ... Some studies have looked into the different reasons that parents are hesitant to vaccinate their child(ren) and, while these tend to vary ... Other parents believe that the risk of contracting these diseases naturally is negligible, ...
Explanation:
Ask your doctor for advice of course it is reasonable because doctors know how to treat most illnesses
Yes, there are many of these kind of procedures, and here are some examples, like deep palpation and percussion, examination of the ear-drum or inside the nose