Jul 2020
Jan 2021
Jul 2021
Jan 2022
Jul 2022
Jan 2023
Jul 2023
Jan 2024
0
20
40
60
80
100
Seroprevalence (%)
Pre-Vaccine
Vaccine
Omicron
waves
Infection-acquired
(Anti-N)
Infection-acquired or vaccine-induced
(Anti-S)
View all
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