Rep. Raúl Grijalva. Photo: Alex Edelman/Getty Images

Rep. Raúl Grijalva (D-Ariz.) said he tested positive for the coronavirus days after attending a hearing with Rep. Louie Gohmert (R-Tex.), who also tested positive and had previously declined to wear a mask.

The state of play: Grijalva says he is asymptomatic and will quarantine in his Washington, D.C., home. It's unclear if he contracted the virus at the Capitol or beyond.

  • "While I cannot blame anyone directly for this, this week has shown that there are some Members of Congress who fail to take this crisis seriously," Grijalva said in a written statement.
  • "Numerous Republican members routinely strut around the Capitol without a mask to selfishly make a political statement at the expense of their colleagues, staff, and their families," he added.

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Updated 23 hours ago - Health

U.S. coronavirus updates

Data: The COVID Tracking Project; Note: Does not include probable deaths from New York City; Map: Andrew Witherspoon/Axios

Despite some case decreases, COVID-19 deaths are on the rise in the U.S., with California reporting a record-high average this week.

Driving the news: President Trump said in an interview with “Axios on HBO” he thinks the coronavirus is as well-controlled in the U.S. as it can be, despite dramatic surges in new infections over the summer and more than 150,000 American deaths.

Pelosi, Schumer demand postmaster general reverse USPS cuts ahead of election

Schumer and Pelosi. Photo: Alex Wong/Getty Images

House Speaker Nancy Pelosi (D-Calif.) and Senate Minority Leader Chuck Schumer sent a letter to Postmaster General Louis DeJoy on Thursday calling for the recent Trump appointee to reverse operational changes to the U.S. Postal Service that "threaten the timely delivery of mail" ahead of the 2020 election.

Why it matters: U.S. mail and election infrastructure are facing a test like no other this November, with a record-breaking number of mail-in ballots expected as Americans attempt to vote in the midst of a pandemic.

CRISPR co-discoverer on the gene editor's pandemic push

Photo illustration: Aïda Amer/Axios. Photos: Brian Ach/Getty Images for Wired and BSIP/UIG via Getty Images

The coronavirus pandemic is accelerating the development of CRISPR-based tests for detecting disease — and highlighting how gene-editing tools might one day fight pandemics, one of its discoverers, Jennifer Doudna, tells Axios.

Why it matters: Testing shortages and backlogs underscore a need for improved mass testing for COVID-19. Diagnostic tests based on CRISPR — which Doudna and colleagues identified in 2012, ushering in the "CRISPR revolution" in genome editing — are being developed for dengue, Zika and other diseases, but a global pandemic is a proving ground for these tools that hold promise for speed and lower costs.