This is the same kind of crap that got the CDC a whack on the pee-pee before,

on their  biased 'gun violence research'.  And they're still doing it.
Over a dozen public health researchers reviewed The Trace and FiveThirtyEight’s analysis and said that the inaccuracy of the CDC gun injury data has serious implications for the national-level understanding of gun violence.

“No one should trust the CDC’s nonfatal firearm injury point estimates,” said David Hemenway, director of the Harvard Injury Control Research Center.

But many researchers have trusted these numbers, or at least referenced them. Since 2010, at least 50 academic articles have cited the CDC’s gun injury estimates. Last year, for example, the American Journal of Epidemiology published a paper that used CDC data to conclude that there was a “hidden epidemic of firearm injury.”

“For those of us who are doing this kind of research, it’s disconcerting,” said Priscillia Hunt, a researcher at the RAND Corporation, a nonprofit research organization. “With the CDC, there’s this general assumption that they are reliable and have good data.”
Seems that trusting the CDC on anything that has a political aspect is not a good idea.  Especially if it touches on firearms.