Pertussis reported cases (number)
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
| Czech Republic | 48 | 187 | 412 | 662 | 324 | 738 | 1,233 | 2,521 | 585 | 627 | 667 | 752 | 1,446 | 696 | 51 | 94 | 494 |
| Slovakia | 194 | 43 | 17 | 1,379 | 936 | 950 | 907 | 1,123 | 334 | 289 | 191 | 376 | 702 | 706 | 87 | 127 | 223 |
| Slovenia | | | 75 | 610 | 284 | 178 | 169 | 399 | 68 | 127 | 213 | 213 | 129 | 42 | 6 | 51 | 126 |
| North Macedonia | | 21 | 7 | 2 | 6 | 9 | 1 | 0 | 0 | 4 | 13 | 32 | | 2 | 0 | 0 | 4 |
| Montenegro | | | | 1 | 8 | 2 | 0 | | | 8 | 19 | 57 | | | 1 | 0 | 419 |
| Romania | 817 | 493 | 57 | 29 | 86 | 82 | 57 | 87 | 93 | 72 | 95 | 93 | 110 | 18 | 1 | 9 | 16 |
| Republic of Moldova | 266 | 169 | 24 | 31 | 102 | 92 | 115 | 188 | 50 | 283 | 355 | 217 | 174 | 60 | 5 | 6 | 421 |
| Poland | 292 | 2,269 | 1,925 | 1,266 | | 4,682 | 2,183 | | | 6,853 | 3,066 | 1,552 | | 746 | 180 | 371 | |
| Serbia | 1,440 | 24 | 4 | 1 | 25 | 51 | 39 | 281 | 89 | 148 | 285 | 351 | | | 5 | 5 | 1,421 |
| Albania | 329 | 89 | 15 | 0 | 4 | 16 | 6 | | | 43 | 7 | 19 | 11 | 3 | 0 | 0 | 1 |
| Bulgaria | 26 | 106 | 313 | 54 | 46 | 102 | 89 | 52 | 35 | 98 | 116 | 114 | 70 | 27 | 3 | 17 | 20 |
| Croatia | 304 | 196 | 124 | 42 | 103 | 61 | 108 | | 57 | 122 | 80 | 128 | 56 | 10 | 7 | 2 | 4,806 |
| Bosnia and Herzegovina | 287 | 43 | 39 | 30 | 30 | 19 | | | 12 | 20 | 122 | 97 | | 12 | 2 | 0 | 100 |
| Hungary | 12 | 1 | 22 | 25 | 9 | 5 | 20 | 20 | 6 | 5 | 15 | 23 | 7 | 13 | 0 | 2 | 2 |