Volume 27, Number 3—March 2021
Research
Isolate-Based Surveillance of Bordetella pertussis, Austria, 2018–2020
Figure 2
![Pertussis cases by district of residence of case-patient and genetic profile of the corresponding Bordetella pertussis isolate identified in a B. pertussis isolate–based surveillance study, Austria, May 2018–May 2020. Each dot represents 1 case. Cases grouping next to each other belong to the same district. To protect patient confidentiality, only states and not districts are labeled.](/eid/images/20-2314-F2.jpg)
Figure 2. Pertussis cases by district of residence of case-patient and genetic profile of the corresponding Bordetella pertussis isolate identified in a B. pertussis isolate–based surveillance study, Austria, May 2018–May 2020. Each dot represents 1 case. Cases grouping next to each other belong to the same district. To protect patient confidentiality, only states and not districts are labeled.
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