Table 1.
Search termsa | ParasiteCDb | VETCDc | PubMedd |
---|---|---|---|
Toxoplasm* | 10 753 | 6615 | 12 605 |
AND human* | 8546 | 3915 | 9086 |
AND animal* | 10 567 | 6611 | 6186 |
AND (zoonosis OR zoonoses) | 553 | 604 | 253 |
AND (congenital OR pregnancy) | 1400 | 377 | 3051 |
AND (immunocompromised OR immunosuppression) | 1027 | 168 | 525 |
AND AIDS | 882 | 49 | 1754 |
AND (prevalence OR seroprevalence) | 1585 | 942 | 2275 |
AND epidemiology | 1305 | 777 | 2141 |
AND transmission | 707 | 473 | 859 |
AND (source* OR route*) AND infection | 200 | 160 | 212 |
AND (tachyzoite* OR endozoite*) | 980 | 791 | 782 |
AND (tissue cyst* OR bradyzoite* OR cystozoite*) | 454 | 404 | 231 |
AND (oocyst* OR sporozoite*) | 687 | 662 | 407 |
AND (therapy OR treatment) | 2670 | 1040 | 3725 |
AND control | 1632 | 894 | 1498 |
AND ((prevention OR preventive) NOT control) | 252 | 120 | 120 |
AND (risk factor*) | 99 | 36 | 36 |
AND (economy OR economic impact) | 15 | 15 | 46 |
Boolean operators (in capitals) and truncations (*) were as shown. In PubMed phrase searching with double quotes was used to search for entries on ‘tissue cyst*’, ‘risk factor*’ and ‘economic impact’.
ParasiteCD, 1973–2000/04 (CAB International); searches were carried out using the search and retrieval software WinSPIRS, version 2.0 (Silver-Platter International, N.V.).
VETCD, 1973–2000/05 (CAB International); searches were carried out using the search and retrieval software WinSPIRS, version 2.0 (SilverPlatter International, N.V.).
PubMed, 1966–2000/07; searches were carried out using the advanced search options of the new PubMed system of the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), USA.