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. 2022 Nov 10;22:2061. doi: 10.1186/s12889-022-14547-1

Table 2.

Proportion of participants in Tiers 1–3 with partial vaccination, full vaccination, or recent infection due to SARS-CoV-2

Tier Individuals in Tier
N
Individuals Partially Vaccinated N (%) Individuals Fully Vaccinated N (%) Individuals with SARS-CoV-2 Infection within 90 Days of Tournament N (%) Individuals with Prior Infection or at Least One Dose COVID-19 Vaccine
N (%)
Tier 1 2064 94 (4.6) 242 (11.7) 62 (3.0) 391 (18.9)
Tier 2 294 5 (1.7) 36 (12.2) 11 (3.7) 51 (17.4)
Tier 3 302 1 (0.3) 29 (9.6) 4 (1.2) 34 (11.3)