A growing body of research claims that the similarity or dissimilarity in the immune system of people might drive sexual attraction. If physical attractiveness does not explain the attraction, perhaps the answer is beyond what the eyes can see.
A unique family of bacteria identified as Yersinia was shown to be successfully infecting the human body by hiding from the immune system. Yersinia includes the bacterium that caused the Bubonic Plague.
Scientists at Cardiff University discovered a new technique to fine-tune the immune system at the level of T-cells to produce a better immune response against bacteria and viruses, like SARS-CoV-2 that causes COVID-19.
Researchers at Thomas Jefferson University's Sidney Kimmel Medical College will launch three studies next year about how space travel could affect the human body as part of the first private mission to the ISS.