| Poliomyelitis--Prevention | 4 |
| Vaccines--North Carolina--Greenville | 4 |
| Public health--North Carolina--Greenville | 3 |
| Poliomyelitis--Vaccination--North Carolina--Greenville | 2 |
| Irons, Malene Grant, 1915-2008 | 1 |
| Medicine--Societies, etc. | 1 |
| Physicians--North Carolina--Pitt County | 1 |
| Pitt County Medical Society | 1 |
| Public health--North Carolina--Pitt County | 1 |
