| Malaria Cases | ||||||
| 1985 - 1989 | ||||||
| COUNTY | 1985 | 1986 | 1987 | 1988 | 1989 | TOTAL |
| Athens | 1 | 1 | ||||
| Butler | 1 | 1 | ||||
| Clark | 1 | 1 | ||||
| Clermont | 1 | 1 | ||||
| Coshocton | 1 | 1 | ||||
| Cuyahoga | 3 | 4 | 2 | 3 | 2 | 14 |
| Delaware | 1 | 1 | ||||
| Franklin | 1 | 2 | 1 | 1 | 5 | |
| Greene | 1 | 1 | 2 | |||
| Hamilton | 2 | 1 | 2 | 5 | ||
| Holmes | 1 | 1 | ||||
| Lake | 2 | 1 | 1 | 4 | ||
| Lawrence | ||||||
| Licking | 1 | 1 | 2 | |||
| Lucas | 3 | 1 | 4 | |||
| Madison | 1 | 1 | ||||
| Medina | 1 | 1 | 2 | |||
| Montgomery | 1 | 1 | 2 | 1 | 5 | |
| Muskingum | 1 | 1 | ||||
| Ottawa | 1 | 1 | ||||
| Portage | 1 | 1 | ||||
| Richland | 1 | 1 | ||||
| Stark | 3 | 1 | 1 | 5 | ||
| Summit | 2 | 3 | 5 | |||
| Wayne | 1 | 1 | ||||
| Wood | 1 | 1 | ||||
| Total | 11 | 19 | 14 | 12 | 11 | 67 |