ARCT-154 vaccine by CSL and Arcturus showed stronger, longer-lasting immune response than Pfizer's Comirnaty, with a lower dose, in a Japanese study involving 828 participants.

A self-amplifying mRNA COVID-19 vaccine, ARCT-154, developed by CSL and Arcturus Therapeutics, showed a stronger immune response than Pfizer's Comirnaty for up to a year, even at a lower dose (5 μg vs. 30 μg). Conducted in Japan with 828 participants, the study indicated that ARCT-154 is effective against various SARS-CoV-2 strains. The vaccine, approved in Japan, suggests enhanced protection duration compared to conventional mRNA vaccines.

September 30, 2024
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