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Q: What are the risks of the newly identified coronavirus variants?
A: It’s not yet known whether mutant versions cause more severe disease, but some are likely more contagious. Scientists expect vaccines will work but are monitoring the situation.
Q: Did a recent study in Denmark show that face masks are useless for COVID-19?
A: No. The study found that face masks did not have a large protective effect for wearers — not that masks provide no protection at all or don’t offer benefits to others.
Q: Can people who cast their ballots in early voting change their vote?
A: In most states, no. By our count, there are eight states that specifically allow for early voters to change their votes.
Q: Was Sen. Kamala Harris’ story at the vice presidential debate about President Abraham Lincoln’s 1864 Supreme Court vacancy correct?
A: There’s no evidence that Lincoln said he delayed the nomination to let voters choose the next president, as Harris said.
Q: Does a video shared on social media show Joe Biden sleeping during a live television interview?
A: No. The video was manipulated to make it appear that he had fallen asleep.
Q: Are hospitals inflating the number of COVID-19 cases and deaths so they can be paid more?
A: Recent legislation pays hospitals higher Medicare rates for COVID-19 patients and treatment, but there is no evidence of fraudulent reporting.
Q: Does ibuprofen make COVID-19 worse?
A: There is no evidence that ibuprofen or other non-steroidal anti-inflammatory drugs can make COVID-19 cases more severe. You should consult your doctor before changing medications.
Q: Did House Speaker Nancy Pelosi break the law by ripping up the president’s State of the Union address?
A: Legal experts have widely dismissed the idea that Pelosi’s copy of the address would be subject to a criminal statute cited by some conservatives.
Q: Did President Barack Obama immediately fire all Bush-appointed ambassadors “the day he was elected office”?
A: No. As is the custom, Obama immediately replaced most — not all — of Bush’s politically appointed ambassadors. Obama did not remove any of the career appointees to ambassadorships.
Q: Do people with serious mental health disorders pose a greater risk of becoming mass shooters?
A: People with mental illnesses are somewhat more likely to be violent than those without a diagnosis. But a majority are never violent, and very little is known specifically about mass murder.