Fig. 3.
Impact of a prolonged reduction in HBV vaccination (due to COVID-19) on HBV incidence among MSM. Scenarios with a 5% decrease in HBV testing and a small decrease in number of sex partners until March 2022 (see Table 2 for the levels of decrease). Black box plots: scenarios with 5% or 30% decrease in HBV vaccination from October 2021 to March 2022; grey box plots: scenarios with 5% or 30% decrease in HBV vaccination from October 2021 to June 2022. Percentage change was calculated for each scenario of changes compared to the scenario without any COVID-19 related changes. HBV, hepatitis B virus; MSM, men who have sex with men.