More than a dozen pages on the Centers for Disease Control and Prevention website related to sexual and gender identity, health equity, and other topics have been taken down, CNBC has learned.

The CDC received a directive from the Health and Human Services Department, which oversees the agency, to remove certain webpages by the end of the day Sept. 19, according to an internal CDC email viewed by CNBC, which was sent that day to some employees whose work is related to the pages.

The pages include one about sexually transmitted infections and gay men, another about healthy equity for people with disabilities, and additional fact sheets on asexuality and bisexuality. Some health equity advocates say removing such resources could create gaps in access to critical health information, especia

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