Top CDC COVID vaccine expert resigns after RFK Jr. unilaterally restricts access

The expert said she could no longer help vulnerable people in her CDC role.

A top expert at the Centers for Disease Control and Prevention who was overseeing the process to update COVID-19 vaccine recommendations resigned on Tuesday.

The resignation, first reported by The Associated Press and confirmed by CBS News, comes just a week after health secretary and anti-vaccine advocate Robert F. Kennedy Jr. unilaterally revoked and altered some of the CDC's recommendations for COVID-19 vaccines, restricting access to children and pregnant people. The resignation also comes three weeks before CDC's experts and advisors are scheduled to meet to publicly evaluate data and discuss the recommendations for this season—a long-established process that was disrupted by Kennedy's announcement.

The departing CDC official, Lakshmi Panagiotakopoulos, a pediatric infectious disease expert, was a co-leader of a working group on COVID-19 vaccines who advised experts on the CDC's Advisory Committee on Immunization Practices (ACIP). She informed her ACIP colleagues of her resignation in an email on Tuesday.

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Science PhDs face a challenging and uncertain future

Smaller post-grad classes are likely due to research budget cuts.

Since the National Science Foundation first started collecting postgraduation data nearly 70 years ago, the number of Ph.D.s awarded in the United States has consistently risen. Last year, more than 45,000 students earned doctorates in science and engineering, about an eight-fold increase compared to 1958.

But this level of production of science and engineering Ph.D. students is now in question. Facing significant cuts to federal science funding, some universities have reduced or paused their Ph.D. admissions for the upcoming academic year. In response, experts are beginning to wonder about the short and long-term effects those shifts will have on the number of doctorates awarded, and the consequent impact on science if Ph.D. production does drop.

Such questions touch on longstanding debates about academic labor. Ph.D. training is a crucial part of nurturing scientific expertise. At the same time, some analysts have worried about an oversupply of Ph.D.s in some fields, while students have suggested that universities are exploiting them as low-cost labor.

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AMD Radeon RX 9060 XT im Test: Ein neuer Herausforderer für Mittelklasse-GPUs

Mit genug Speicher und solider Leistung ist AMDs neue RDNA-4-Grafikkarte bestens für aktuelle Spiele gerüstet. Beim Kauf muss man trotzdem aufpassen. Ein Test von Martin Böckmann (Grafikkarten, AMD)

Mit genug Speicher und solider Leistung ist AMDs neue RDNA-4-Grafikkarte bestens für aktuelle Spiele gerüstet. Beim Kauf muss man trotzdem aufpassen. Ein Test von Martin Böckmann (Grafikkarten, AMD)

An in-space propulsion company just raised a staggering amount of money

“The Space Force said, ‘Hey, we know what that thing’s for.'”

This week an in-space propulsion company, Impulse Space, announced that it had raised a significant amount of money, $300 million. This follows a fundraising round just last year in which the Southern California-based company raised $150 million.

This is one of the largest capital raises in space in a while, especially for a non-launch company. To understand why Impulse was able to raise so much additional money so quickly, Ars caught up with founder Tom Mueller and the company's chief executive, Eric Romo. They explained that demand for Impulse's efficient in-space vehicles is high, and since early missions have worked well, the company wants to seize the moment to scale up its operations.

"We had been operating relatively conservatively, in how many people we were allowing ourselves to hire and capital expenditures," Romo said. "This will allow us to release a little bit of that conservatism and lean into some stuff like electric propulsion and potentially other vehicles that are going to allow us to grow long-term."

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Grit X2: Polar stellt kompakte Outdoor-Sportuhr vor

Offline-Navigation, stabiles Gehäuse – und dennoch relativ kompakt: Polar hat die für Outdoor-Aktivitäten gedachte Grit X2 vorgestellt. (Polar, Smartwatch)

Offline-Navigation, stabiles Gehäuse - und dennoch relativ kompakt: Polar hat die für Outdoor-Aktivitäten gedachte Grit X2 vorgestellt. (Polar, Smartwatch)