Trump administration officials are forbidding officials at America's top public health agency from using a list of seven words or phrases - including "fetus", "science-based" and "transgender" - in any official documents being prepared for next year's budget.
The Hill reported that, "Analysts are reportedly prohibited from using the phrases in official documents they prepare for the 2019 budget, which is expected to be released in February". Other CDC officials confirmed the existence of a list of banned words to the Post.
The analyst who spoke with the Post could not remember a similar ban over potentially controversial words.
Instead of "science-based" or "evidence-based", the suggested phrase was "CDC bases its recommendations on science in consideration with community standards and wishes".
And just days after President Donald Trump's inauguration, Reuters reported that his administration told the Environmental Protection Agency to remove mentions of climate change from its website. In it they say they did not receive the same guidelines as the CDC.
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"To pretend and insist that transgender people do not exist, and to allow this lie to infect public health research and prevention is irrational and very unsafe", Mara Keisling, executive director of the National Center for Transgender Equality, said in a written statement.
In response to ABC News' request for comment from the CDC, an HHS spokesperson responded in a statement.
Many CDC employees reportedly aren't happy about the changes. The analyst said it's probable that other areas of the U.S. Department of Health and Human Services have had the same directive.
"It was very much, 'Are you serious?"
"You can not fight against the Zika virus, or improve women's and fetal health, if you are unable to use the word "fetus.' You must be able to talk about science and evidence if you are to research cures for infectious diseases such as Ebola", Singiser said. Are you kidding?' In my experience, we've never had any pushback from an ideological standpoint". Kelly told the group she had been authorised to give verbal instructions about the remaining banned words.