It will continue to get worse due to the antivax movement. They will go full swing against this vaccine.
It's unfortunate that in the 21st century, we are moving backward in the world. We should be exploring the universe and cure all diseases. Yet, we have a large majority of Americans who want to take us backward.
Trump base hates his guts. So since catering to them. Besides If he gets the nomination they will still vote for him he has R by his name all they truly care about.