Several conservative figures online have said that the antiparasitic drug was quietly added to a list of official treatments after years of controversy.
"It's not a finding that we necessarily expected," said one of the study's lead researchers.
Dr. Anthony Fauci clashed with the Republican senator on Tuesday in a tense appearance before a Senate Health Committee.
The ivermectin was found "as the staff member was collecting the patient's personal belongings," according to an internal hospital memo.
Collins warned that the U.S. is in "for a world of trouble" in the coming months due to the omicron variant.
"I know people are tired of this," Francis Collins said Sunday. "But the virus is not tired of us."
Mostly Republican opponents of Dr. Anthony Fauci shared the hashtag #FauciLiedDogsDied on Monday after alt-right activist Jack Posobiec urged followers to "trend it."
The outgoing NIH director said COVID could not have been caused by federally funded virus research, but some scientists disagree.
"All of us – especially our children – will feel the serious immediate and long-term impact of this problem for generations to come," a researcher said.
Federal regulators warn ivermectin can be dangerous in large doses.
Health officials raised concern over the weekend that the effectiveness of vaccines wanes over a period of time, causing the need for booster shots.
The late Joey Jordison, founding member of Slipknot, left the band as he was battling transverse myelitis.
The White House has dismissed the possibility of firing the prominent public health official.
Dr. Francis Collins sent Dr. Anthony Fauci a link to a report on the Wuhan lab hypothesis, labelling it a conspiracy.
It was recently revealed that the National Institutes of Health provided funding to the Chinese laboratory that conducted experiments with COVID-19.
Corbett, an immunologist at the U.S. National Institutes of Health, played a key role in the development of the Moderna vaccine.
"Our adversaries are engaging in a systematic effort to infiltrate the academic research community and siphon away the results of United States spending on biomedical research," Senator Richard Burr said.
A transparent government that is accountable to the people is a fundamental principle of our democracy.
Dr. Collins fears that some people with "long COVID" may be left with chronic long-term consequences.
Online speculation has emerged surrounding claims that U.S. taxpayer dollars have been authorized by President Joe Biden to go to the Wuhan Institute of Virology.
Pfizer, Johnson & Johnson and other drug companies are working to block votes on shareholder resolutions that would force the companies to disclose how government funding affects their drug pricing.
After a string of demoralizing failures, Alzheimer's researchers now think they're on track to deliver effective treatments. The big question: How soon will they come?
Dr. Francis Collins said a "cloud of uncertainty" has been cast over public confidence in a vaccine.
The CDC has told public health officials in all states and territories to plan for hypothetical coronavirus vaccines by late October or early November.