Daily Chart: comparing neutralizing titers from four COVID-19 vaccines in non-human primates

At least four COVID-19 vaccine developers have reported neutralizing titers from immunized non-human primates, with Novavax’s NVX CoV2373 producing at least an order of magnitude higher titers than the other three. However, differing vaccination regimens can make direct comparisons misleading (see “Novavax Announces Neutralizing Titers”).

Clinical trials of all four of the candidates have begun. ...