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D.C. Mayor Muriel Bowser. Photo: Marvin Joseph/The Washington Post via Getty Images

The District of Columbia is requiring visitors from high-risk areas on nonessential travel to self-isolate for 14 days, the city's health department announced last week.

What's new: The city released a list of 27 high-risk states on Monday, which will be updated every two weeks. California, Florida, Georgia, Arizona, Wisconsin and Texas are among those listed.

Between the lines: Workers considered essential are exempt from the order, which likely includes members of Congress. Maryland and Virginia are also currently exempt.

Go deeper: N.Y., N.J. and CT to require travelers from 31 states to quarantine

Go deeper

Bryan Walsh, author of Future
Nov 4, 2020 - Health

Air pollution connected to higher COVID-19 death rates

Smokestacks in Florida. Photo: Getty Images

A new study of more than 3,000 counties in the U.S. finds a correlation between higher levels of particulate air pollution and higher death rates from COVID-19.

Why it matters: COVID-19 may be caused by the novel coronavirus, but the outcome of an infection is influenced by everything from age to race to the environment. Understanding the connection between disease and pollution can help us address those risks going forward.

Nov 5, 2020 - Health

U.S. exceeds 100,000 new COVID-19 cases for first time

Data: Covid Tracking Project; Chart: Axios Visuals

The U.S. reported 103,087 new daily coronavirus infections on Wednesday, setting a single-day record for cases, according to data from the COVID Tracking Project.

Why it matters: This is the first time the U.S. has reported over 100,000 new cases in a single day — a reminder of the high stakes of the election as votes continue to be tabulated.

Updated 11 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Annelise Capossela/Axios

  1. Health: CDC director defends agency's response to pandemic — CDC warns highly transmissible coronavirus variant could become dominant in U.S. in March.
  2. Politics: Empire State Building among hundreds to light up in Biden inauguration coronavirus tribute.
  3. Vaccine: Fauci: 100 million doses in 100 days is "absolutely" doable.
  4. Economy: Unemployment filings explode again.
  5. Tech: Kids' screen time sees a big increase.