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Weekly distributions of diphtheria cases fulfilling the German reference case definitiona reported to the national public health institute, Germany, 2019–2022b (n = 123)
C.: Corynebacterium.
a Case definitions in Germany are described in [3].
b Data up to 22 October 2022.
Cases reported in 2022 only relate to the time period of 1 January to 30 September 2022. Cases marked with a white dot represent respiratory diphtheria (n = 5).
