Four days after the Trump administration initiated a wave of layoffs across the Centers for Disease Control and Prevention, there’s still no official accounting of how many people were eliminated.

Current and former staff, as well as members of the union representing CDC employees at the agency's Atlanta headquarters, have been crowdsourcing data from impacted employees to estimate the exact number of people and positions that have been cut.

Leaders of AFGE Local 2883 told reporters Tuesday they have not received notifications of the positions or units that were impacted.

"All of the information that we are sharing is from our membership, from our colleagues, from members of our community, as we are trying to piece together for ourselves a picture of what is happening,” a union member said.

More than a thousand people received layoff notices Friday, including employees who........

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