Arcturus slides on PhIII Covid-19 vaccine data, signifying the struggle in producing follow-up shots
As Covid-19 vaccine demand sags in the US with only about a third of adults having received their first booster shot, new data just don’t get investors excited the way they used to.
The latest example is Arcturus Therapeutics, which touted results from a “Phase I/II/III study” early Wednesday saying its self-amplifying mRNA vaccine proved 55% effective at stopping symptomatic Covid-19 infection and 95% effective at preventing severe disease. With the latter numbers reaching similar levels to those of already-authorized shots, Arcturus was likely hoping it could generate some excitement to push its program forward.
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