A third of people currently affected by the monkeypox outbreak also have HIV meaning they are immunocompromised—which could make ACAM2000 extremely dangerous.
Cases of the rare virus are being found in several different countries, including the U.S.
The world hasn't seen a routine smallpox vaccine for decades. Countries are now ordering shots since the smallpox vaccine also protects against monkeypox.
The first two episodes of "Yellowstone" prequel series "1883" are now on Paramount+, showing the brutality and unforgiving nature of the Old West.
The CDC found that the vials contain "vaccinia, the virus used in smallpox vaccine," rather than the variola virus that can cause infection.
The disease, which can spread between people, has been reported less than 50 times in the U.S. since 1970, but twice so far this year.
The FBI and CDC are investigating after 15 vials labeled "smallpox" were discovered at a lab outside Philadelphia.
The efficacy of vaccination continues to be a talking point across the nation amid the COVID-19 pandemic.
St. Elizabeth Healthcare, the largest employer in Northern Kentucky, is mandating its thousands of employees to be fully vaccinated against COVID-19 by November.
Fortunately, passengers on the plane were wearing masks so the risk of the virus spreading is low.
COVID-19 is a stark reminder it was vaccination that delivered us from evil and enabled the modern world.
The global eradication of smallpox in 1979 is considered the greatest achievement of modern medicine.
One worker was injured in the blast at the VECTOR center in Novosibirsk, Siberia.
Many great encounters in world history, including Cortés's clash with the Aztec empire, had less to do with weaponry, tactics and strategy than with the ravages of disease.
The smallpox apocalypse is unparalleled in history—it killed an estimated 300 million to 500 million people in the 20th century alone.
The world's first vaccine created in 1798 may not be what we've always thought it is.
The United States was the site of the first monkeypox outbreak outside Africa, in 2003.
Report details numerous accidents at labs handling potentially dangerous viruses
A recent congressional hearing laid bare numerous safety problems within the U.S.'s federal laboratories.