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A worker inspects chloroquine tablets. Photo: Feature China/Barcroft Media via Getty Images

"A man has died and his wife is under critical care after the couple, both in their 60s, ingested chloroquine phosphate, an additive commonly used at aquariums to clean fish tanks," which is also part of one of the antimalaria drugs that President Trump has mentioned in recent days, according to Banner Health, the hospital system that treated both patients.

Why it matters: People who attempt to self-medicate risk serious side effects or death, and it's why any messaging about chloroquine and the related hydroxychloroquine should emphasize that these drugs have not been approved to prevent or treat the new coronavirus.

Worth noting: The malaria drug comes in tablet form, but the type the couple used was a toxic substance — not medication.

  • The man's wife told NBC News: "I had it in the house because I used to have koi fish."

Go deeper: Trump touts drugs not yet approved by FDA for treating coronavirus

Editor's note: The story and headline have been corrected to reflect the fact that the form of chloroquine the couple ingested was used in aquariums (not the medication).

Go deeper

Updated 2 hours ago - Energy & Environment

Bomb cyclone prompts blizzard warnings from Virginia to Maine

Computer model projection showing the intense storm off of Cape Cod on Jan 29, 2022, with heavy snow and strong winds lashing the coastline. (Weatherbell.com)

Blizzard warnings are in effect for 11 million people from coastal Virginia to eastern Maine as a historic winter storm is set to slam the Mid-Atlantic and Northeast beginning Friday.

Why it matters: The storm will bring hazards ranging from zero visibility amid hurricane force wind gusts and heavy snow, to coastal flooding that will erode vulnerable beaches and threaten property from the Jersey shore to coastal Massachusetts.

Updated 2 hours ago - Politics & Policy

Omicron dashboard

Illustration: Shoshana Gordon/Axios

  1. Health: Contact tracing fizzles across America — New clues emerge on long COVID — Omicron is finally burning out — It's very difficult to get access to antiviral COVID treatments — Axios-Ipsos poll: Omicron's big numbersAnother wave of death — FDA limits use of Regeneron and Lilly antibody treatments.
  2. Vaccines: Pfizer begins clinical trial for Omicron-specific vaccine — The shifting definition of fully vaccinated.
  3. Politics: Virginia AG says public colleges can't mandate COVID vaccines —Alaska governor joins Texas lawsuit over National Guard vaccine mandate — Navy discharges 45 sailors for refusing vaccine — Spotify to remove Neil Young's music after his Joe Rogan ultimatum — White House: 60M households have ordered free COVID-19 rapid tests.
  4. World: U.K. to lift travel testing requirement for fully vaccinated — Beijing Olympic Committee lowers testing threshold ahead of Games.
  5. Variant tracker
5 hours ago - World

Biden will move U.S. troops to Eastern Europe "in the near term"

President Biden boards Air Force One at Joint Base Andrews on Jan. 28. Photo: SAUL LOEB/AFP via Getty Images

President Biden said on Friday he plans to move U.S. troops to Eastern European and NATO countries “in the near term.”

Driving the news: “Not too many” U.S. troops, Biden added in remarks to reporters at Joint Base Andrew upon returning from a trip to Pennsylvania.