Topic - National Institute Of Health

NIH says experts are concerned that a growing prevalence of xylazine in the illicit opioid supply may render naloxone less effective for some overdoses.

Top White House drug-fighter sees progress on fentanyl overdoses, but warns of new threats →

"What makes mRNA so nifty for vaccines is that all you need to know is the letters, or sequence, that encodes the genetic material of a virus, including the sequences that get translated into proteins," the NIH said. "More study is needed, of course, but early indications are encouraging. The vaccine generated strong and broad antibody responses in animals. Importantly, it worked both in animals with no previous immunity to the flu and in those previously infected with flu viruses."

NIH: Research team develops promising universal flu vaccine →