Top CDC official resigns from post following reassignment


Nancy Messonnier, a senior Centers for Disease Control and Prevention scientist who was the first U.S. official to warn of the severity of the coronavirus pandemic last year, is resigning from the agency, according to four people with knowledge of the decision.

Messonnier’s resignation comes two weeks after she had been reassigned within the CDC from her position heading the agency’s Covid-19 vaccine task force, as first reported by POLITICO. Following her reassignment, Messonnier went on leave, and senior administration officials described it as an unplanned vacation.

The CDC did not immediately respond to a request for comment. The Washington Post first reported Messonnier’s resignation.

Messonnier had spent more than 20 years at the CDC as a prominent respiratory disease expert. She became a central figure in the Trump administration’s chaotic early coronavirus response last February, when she told reporters the coronavirus outbreak would soon change the nation’s way of life.

“It’s not a question of if this will happen but when this will happen,” she said at the time, two weeks before the World Health Organization declared a pandemic. Her dire warning sent the stock market spiraling and contradicted assurances from top Trump appointees, catching the White House off guard.

An infuriated former President Donald Trump threatened to fire her, leading to the halt of regular CDC press briefings on the crisis and Messonnier’s sidelining from the administration’s communications.

Mesonnier was expected to reemerge in the wake of President Joe Biden’s election, as part of the new administration’s effort to put top scientists at the forefront of the Covid response and restore public trust in the federal government. But she clashed at times with Biden officials over decision-making, said two people familiar with the matter. The White House has not resumed regular CDC briefings, instead putting its own Covid-19 response team in charge of public messaging. CDC Director Rochelle Walensky has regularly participated in those briefings.

Messonnier’s recent reassignment came the day before the agency’s advisory panel on immunizations was set to meet to decide whether to lift a pause on the Johnson & Johnson vaccine. She had played a prominent role in the agency’s work investigating the rare but severe blood clots that emerged in multiple individuals after vaccination. Federal officials have since lifted their recommend pause on use of the vaccine.

Messonnier’s position was absorbed into the CDC’s incident management response team headed by Walensky and Henry Walke, the director of the agency’s Division of Preparedness and Emerging Infections.

As of two weeks ago, Messonnier was still copied on agency emails and was referred to as an “adviser” of Walensky, two officials familiar with the matter said.

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Nancy Messonnier, a senior Centers for Disease Control and Prevention scientist who was the first U.S. official to warn of the severity of the coronavirus pandemic last year, is resigning from the agency, according to four people with knowledge of the decision.

Messonnier’s resignation comes two weeks after she had been reassigned within the CDC from her position heading the agency’s Covid-19 vaccine task force, as first reported by POLITICO. Following her reassignment, Messonnier went on leave, and senior administration officials described it as an unplanned vacation.

The CDC did not immediately respond to a request for comment. The Washington Post first reported Messonnier’s resignation.

Messonnier had spent more than 20 years at the CDC as a prominent respiratory disease expert. She became a central figure in the Trump administration’s chaotic early coronavirus response last February, when she told reporters the coronavirus outbreak would soon change the nation’s way of life.

“It’s not a question of if this will happen but when this will happen,” she said at the time, two weeks before the World Health Organization declared a pandemic. Her dire warning sent the stock market spiraling and contradicted assurances from top Trump appointees, catching the White House off guard.

An infuriated former President Donald Trump threatened to fire her, leading to the halt of regular CDC press briefings on the crisis and Messonnier’s sidelining from the administration’s communications.

Mesonnier was expected to reemerge in the wake of President Joe Biden’s election, as part of the new administration’s effort to put top scientists at the forefront of the Covid response and restore public trust in the federal government. But she clashed at times with Biden officials over decision-making, said two people familiar with the matter. The White House has not resumed regular CDC briefings, instead putting its own Covid-19 response team in charge of public messaging. CDC Director Rochelle Walensky has regularly participated in those briefings.

Messonnier’s recent reassignment came the day before the agency’s advisory panel on immunizations was set to meet to decide whether to lift a pause on the Johnson & Johnson vaccine. She had played a prominent role in the agency’s work investigating the rare but severe blood clots that emerged in multiple individuals after vaccination. Federal officials have since lifted their recommend pause on use of the vaccine.

Messonnier’s position was absorbed into the CDC’s incident management response team headed by Walensky and Henry Walke, the director of the agency’s Division of Preparedness and Emerging Infections.

As of two weeks ago, Messonnier was still copied on agency emails and was referred to as an “adviser” of Walensky, two officials familiar with the matter said.

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