Table 1.
Reported cases and clinical manifestations of LB in Bavaria, Germany, 2013–2020 (n = 35,458).
| Diagnosis | 2013 (Mar–Dec) |
2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2013–2020 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | |
| Lyme borreliosis (LB) | 5703 | 100 | 3162 | 100 | 2974 | 100 | 4596 | 100 | 3537 | 100 | 5014 | 100 | 4255 | 100 | 6217 | 100 | 35,458 | 100 |
| Erythema migrans (EM) | 5593 | 98.1 # | 2980 | 94.2 # | 2,825 | 95.0 # | 4395 | 95.6 # | 3393 | 95.9 # | 4869 | 97.1 # | 4120 | 96.8 # | 6108 | 98.2 # | 34,283 | 96.7 |
| Acute neuroborreliosis (NB) thereof |
64 | 1.1 # | 66 | 2.1 # | 71 | 2.4 # | 101 | 2.2# | 68 | 1.9 # | 81 | 1.6 # | 82 | 1.9 # | 82 | 1.3 # | 615 | 1.7 |
| Radiculoneuritis | 29 | 45.3 * | 18 | 27.3 * | 31 | 43.7 * | 37 | 36.6 * | 21 | 30.9 * | 43 | 53.1 * | 40 | 48.8 * | 27 | 32.9 * | 246 | 40.0 |
| Meningitis | 15 | 23.4 * | 16 | 24.2 * | 21 | 29.6 * | 31 | 30.7 * | 15 | 22.1 * | 15 | 18.5 * | 21 | 25.6 * | 30 | 36.6 * | 164 | 26.7 |
| Neuritis cranialis | 34 | 53.1 * | 45 | 68.2 * | 42 | 59.2 * | 58 | 57.4 * | 44 | 64.7 * | 50 | 61.7 * | 45 | 54.9 * | 49 | 59.8 * | 367 | 59.7 |
| Lyme arthritis (LA) | 50 | 0.9 # | 125 | 4.0 # | 87 | 2.9 # | 111 | 2.4 # | 84 | 2.4 # | 75 | 1.5 # | 69 | 1.6 # | 32 | 0.5 # | 633 | 1.8 |
| EM and NB + | 2 | - | 4 | - | 7 | - | 6 | - | 3 | - | 7 | - | 12 | - | 4 | - | 45 | - |
| EM and LA + | 2 | - | 5 | - | 2 | - | 5 | - | 5 | - | 4 | - | 4 | - | 1 | - | 28 | - |
Mar = March; Dec = December; # % of Lyme borreliosis cases; * % of neuroborreliosis cases; + multiple diagnoses included above.