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Photo: Kevin Dietsch/Getty Images

Sen. Dianne Feinstein (D-Calif.) introduced a bill Wednesday that would require people to be fully vaccinated, have recently tested negative, or have recovered from COVID-19 to fly domestically.

Driving the news: Some airlines — like United, Frontier and Hawaiian — have already begun requiring their workforce, but not passengers, to be vaccinated against the virus.

What they're saying: "Ensuring that air travelers protect themselves and their destination communities from this disease is critical to prevent the next surge," Feinstein wrote in a news release.

  • "This bill complements similar travel requirements already in place for all air passengers... who fly to the United States from foreign countries."
  • "It only makes sense that we also ensure the millions of airline passengers that crisscross our country aren’t contributing to further transmission, especially as young children remain ineligible to be vaccinated."

The proposal follows a bill introduced by Rep. Don Beyer (D-Va.) earlier this month that would require people to provide proof of vaccination or a recent negative test before traveling by air or Amtrak.

Worth noting: NIAID Director Anthony Fauci, who serves as Biden's top medical adviser, has previously said he would support vaccination requirements for air travel.

Go deeper

Temple extends vaccine mandate to keep in line with city guidance

Illustration: Maura Losch/Axios

Temple University is extending its COVID-19 vaccine mandate deadline despite a 95% vaccination rate among its students and employees.

Driving the news: Philadelphia recently pushed back mandates requiring health care workers and higher education staff and students to be fully vaccinated by Nov. 15. Originally, that deadline was last Friday.

  • Temple is now defaulting to city guidance.

"Atmospheric river" swings parts of Pacific Northwest from drought to flood

Satellite view of the bomb cyclone swirling off the coast of the Pacific Northwest and the atmospheric river affecting California on Oct. 24. Photo: CIRA/RAMMB

A series of powerful "atmospheric river" storms are delivering historic amounts of rainfall across parts of drought-stricken California and the Pacific Northwest — triggering widespread power outages, flooding and mudslides.

Why it matters: The atmospheric river, packing large amounts of moisture, was causing Northern California to whiplash from drought to flood, as it slowly moved south overnight. The storm system claimed the lives of two people in Washington state after a tree fell on a vehicle amid powerful winds Sunday.

In photos: Drought-ravaged California lashed by major storm

Workers try to divert water into drains as rain pours down on Oct. 24 in Marin City, California. Photo: Justin Sullivan/Getty Images

A major storm system was pummeling Northern California and parts of the Pacific Northwest with heavy rains overnight.

The big picture: "Atmospheric river" storms, associated with a record-strong "bomb cyclone" offshore from the Pacific Northwest, have brought flooding and mudslides to parts of California that were razed by recent wildfires and in severe drought. It's also caused widespread power outages in California, Oregon and Washington state.