Facebook founder Mark Zuckerberg. Photo: Paul Marotta/Getty Images

Facebook will brief a spate of congressional committee staffers this week on the scandal over Cambridge Analytica's improper gathering of data on millions of users.

Why it matters: The social giant is trying to contain the controversy that has led to renewed calls for regulation of its service and a sizable drop in its share price. It's reportedly holding an emergency meeting for employees today.

The details: Facebook will brief several committees that have some jurisdiction over the issue on Tuesday and Wednesday, per a spokesperson.

  • The House Energy and Commerce and Senate Commerce Committees
  • The Senate and House Intelligence Committees
  • The House and Senate Judiciary Committees

Yes, but: A growing number of lawmakers — especially Democrats — want to hear directly from the CEOs of Facebook and Cambridge Analytica in open testimony, not just their staffers in a closed meeting.

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World coronavirus updates

Data: The Center for Systems Science and Engineering at Johns Hopkins; Map: Axios Visuals

New Zealand Prime Minister Jacinda Ardern said it's too early to say whether next month's elections will be postponed after she announced Tuesday four people had tested positive for COVID-19 after no local cases for 102 days.

Zoom in: NZ's most populous city, Auckland, has gone on lockdown for 72 hours and the rest of the country is under lesser restrictions.

Updated 1 hour ago - Politics & Policy

Coronavirus dashboard

Illustration: Annelise Capossela/Axios

  1. Global: Total confirmed cases as of 8 p.m. ET: 20,188,678 — Total deaths: 738,668 — Total recoveries: 12,452,126Map.
  2. U.S.: Total confirmed cases as of 8 p.m. ET: 5,138,850 — Total deaths: 164,480 — Total recoveries: 1,714,960 — Total tests: 63,252,257Map.
  3. States: Georgia reports 137 coronavirus deaths, setting new daily record Florida reports another daily record for deaths.
  4. Health care: Trump administration buys 100 million doses of Moderna's coronavirus vaccine.
  5. Business: Moderna reveals it may not hold patent rights for vaccine.
  6. Sports: Big Ten scraps fall football season.

Voters cast ballots in Minnesota, Georgia, Connecticut, Wisconsin and Vermont

Photo: Spencer Platt/Getty Images

Primary elections are being held on Tuesday in Minnesota, Georgia, Connecticut, Vermont and Wisconsin.

The big picture: Georgia and Wisconsin both struggled to hold primaries during the coronavirus pandemic, but are doing so again — testing their voting systems ahead of the general election. Rep. Ilhan Omar (D-Minn.) is facing a strong challenger as she fights for her political career. In Georgia, a Republican primary runoff pits a QAnon supporter against a hardline conservative.