Person: Mark Udall

League of Conservation Voters

February 13, 2014

An environmental group launched in 1969 that targets a “Dirty Dozen” list of politicians for defeat.

Ask SciCheck

Q: Is one day isolation sufficient to stop forward transmission of COVID-19?

A: People with COVID-19 could potentially transmit it to others well beyond a day after developing symptoms or testing positive. New guidance from the CDC advises people to isolate until they have been fever-free and with symptoms improving for at least 24 hours, and then take precautions for five days, which covers the period when “most people are still infectious.”

Read the full question and answer

View the Ask SciCheck archives

Have a question? Ask us.

Donate Now

Because facts matter.