The Centers for Disease website saw a tremendous spike in traffic due to the commotion that is being caused regarding the swine flu. As a matter of fact in the month of April, the CDC.gov was considered the fastest growing. Their traffic is starting to level back to where it was again.
According to comScore, the CDC.gov website received 5.7 million unique visitors in April which was 142% growth from the previous month. Between April 26 and May 3, the CDC website received 5.3 million visitors itself. That is 6 times growth from the previous week.