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. Author manuscript; available in PMC: 2023 May 30.
Published in final edited form as: Lancet Infect Dis. 2022 Apr 12;22(7):1021–1029. doi: 10.1016/S1473-3099(21)00812-4

Figure 2: Categorisation of sexually transmitted infection and vaccination status.

Figure 2:

In this example, a first gonorrhoea infection occurs during the unvaccinated period, a second occurs during the partial vaccination period, and a third occurs after complete vaccination has been achieved. Infections that fell within each period of vaccination categories were determined for each individual in the study.