Immunity against seasonal H1N1 flu reduces bird flu severity in ferrets, study suggests

Published on February 26, 2025

Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in lethal outcomes.

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Designing self-destructing bacteria to make effective tuberculosis vaccines

February 25, 2025
Working toward more effective tuberculosis (TB) vaccines, researchers have developed two strains of mycobacteria with 'kill switches' that can be triggered to stop the bacteria after they activate an immune response.

From dormant to danger: How VZV reactivation is driving central nervous system infections

February 27, 2025
Researchers observed a rise in adult central nervous system (CNS) infections, primarily aseptic meningitis caused by the varicella zoster virus (VZV), post-2019. The researchers highlighted the potential of zoster vaccination to reduce CNS infections. Meanwhile, CNS infection by herpesviruses, including VZV, may contribute to the progression of dementia. Furthermore, the potential effect of zoster