Regulatory authorities in the US are investigating a possible link between the new Pfizer/BioNTech bivalent COVID-19 booster vaccine and strokes in people aged 65 or over, but still recommend the ...

Materials and methods: Here, we developed a novel bivalent mRNA vaccine, RBMRNA-405, comprising a 1:1 mix of mRNAs encoding both Delta-derived and Omicron-derived Spike proteins. We evaluated the ...

Intestinal worms often lead to gastrointestinal symptoms, like diarrhea, because they live in your digestive tract. Other symptoms, such as a skin rash or problems breathing, also can occur, depending ...