FIG 2.

Study schemas. In the reinfection cohort, 9 NHPs were assayed at baseline, infected with SARS-2, assayed, reinfected, and assayed again. In the Ad26 cohort, 12 NHPs were assayed at baseline, vaccinated, and assayed after vaccination, and 8 of these 12 animals were challenged and assayed following challenge. In the DNA vaccine cohort, 25 NHPs were assayed at baseline, primed, assayed, boosted, assayed, challenged, and assayed following challenge. The n for each time point is indicated in in parentheses.