Clinical Infectious Diseases · 2022 · 89 citations · 17 references
IPD levels began to return to and exceed seasonal levels in spring and summer 2021 in Germany, following sharp declines in 2020 that coincided with NPIs related to the coronavirus disease 2019 pandemic. Proportions of vaccine serotypes remained largely consistent throughout 2020-2021.
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Angela B. Brueggemann, Melissa J. Jansen van Rensburg, David R. Shaw et al. · The Lancet Digital Health · 2021 · 515 citations · Full text