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Phase I/II antibody levels support single shot for J&J COVID-19 vaccine: Data Byte
Immune responses lasted at least two months with one dose, and antibodies against the vaccine’s viral vector did not block response to a second dose
January 15, 2021 2:48 AM UTC
Ahead of an imminent Phase III readout for a single shot of its COVID-19 vaccine, J&J’s updated Phase I/II data show neutralizing antibodies induced by a single dose last at least 10 weeks without decline.
Wednesday’s paper by Johnson & Johnson (NYSE:JNJ) in The New England Journal of Medicine also provides some reassurance that booster shots of JNJ-78436735 will be an option if needed. A second vaccination increased neutralizing antibody titers nearly threefold, despite the fact that the first vaccination induced antibodies against the vaccine’s adenovirus serotype 26 vector...
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