Table 1 Summary of COVID-19 vaccine types, platforms, and dosing schedules for nonimmunocompromised domestic and international students attending the University of Wisconsin - Madison, fall 2021

Covaxin

Inactivated,

whole virus

2 doses,

28 days apart

n/a

BBV152

✓

✓

Covishield (AstraZeneca)

Chimp Adenovirus

Vector

2 doses,

28-84 days apart

n/a

ChAdOx1-S [recombinant]

✓

Johnson & Johnson’s Janssen

(J&J/Janssen)

Human Adenovirus Vector

1 dose

In most situations, Pfizer-BioNTech or Moderna booster are recommended over a J&J /Janssen booster. J&J /Janssen boosters can be considered for:

i) those who had a severe reaction to Moderna or Pfizer-BioNTech vaccine

ii) those who would otherwise remain unvaccinated due to limited access to Pfizer-BioNTech or Moderna vaccines

iii) those who want to get the J&J/Janssen booster despite safety recommendations

AD26.COV2-S

✓

Moderna

mRNA vaccine

2 doses,

28 days apart

1 dose, ≥ 6 months after final dose in primary series (for Moderna and Pfizer-BioNTech recipients) OR ≥ 2 months after vaccination with J&J/Janssen

SpikeVax

(mRNA-1273)

✓

Pfizer-BioNTech

mRNA vaccine

2 doses,

21 days apart

1 dose, ≥ 6 months after final dose in primary series (for Moderna and Pfizer-BioNTech recipients) OR ≥ 2 months after vaccination with J&J/Janssen

Comirnaty

(BNT162b2)

✓

Sinopharm

Inactivated,

whole virus

2 doses,

21 days apart

n/a

BIBP

✓

✓

Sinovac

Inactivated,

whole virus

2 doses,

14-28 days apart

n/a

CoronaVac

✓

✓