Old timing dullards just can't help themselves from including put-downs in your posts can you? Careful now - don't want to give yourself away or get a time-out.
If YOU happen to look at the entire study by the well respected, who has been guilty of saving the lives of millions of people in America and throughout the world, you will see that they did their due diligence in taking into account all the other possible factors that could be responsible for the decrease they note.
The CDC is another in a long line of studies from various governments groups, nations and organizations that show the safety and effectiveness of vaccines. Ands since there is next to no evidence of chronic illnesses or damage caused by vaccines we can discount your objections as those stemming from a naturalistic ideology and not one based in evidence.