Table 3. Number and Percentage of Helminth-Related Articles Published in PLoS Neglected Tropical Diseases.
| Search Strategy | No. (%) of Hits |
| PLoS Neglected Tropical Diseases | 1335 (100) |
| Protozoan infections | 294 (22.0) |
| Helminth infections | 277 (20.7) |
| Viral infections | 212 (15.9) |
| Bacterial infections | 185 (13.9) |
| Fungal infections | 11 (0.8) |
| Ectoparasitic infections | 0 |
| Helminths (parasitic worms) | 481 (36.0) |
| Trematodes | 103 (7.7) |
| Nematodes | 101 (7.6) |
| Cestodes | 26 (1.9) |
| Helminthic diseases | 260 (19.5) |
| Schistosomiasis | 138 (10.3) |
| Lymphatic filariasis | 57 (4.3) |
| Soil-transmitted helminthiasis | 36 (2.7) |
| Onchocerciasis | 34 (2.5) |
| Echinococcosis | 25 (1.9) |
| Cysticercosis | 23 (1.7) |
| Taeniasis | 20 (1.5) |
| Toxocariasis | 7 (0.5) |
| Loiasis | 6 (0.4) |
| Food-borne trematodiasis | 1 (0.1) |
| Dracunculiasis | 0 |
| Important helminth species | |
| Schistosoma mansoni | 80 (6.0) |
| Hookworm | 49 (3.7) |
| Schistosoma japonicum | 39 (2.9) |
| Trichuris trichiura | 32 (2.4) |
| Ascaris lumbricoides | 31 (2.3) |
| Brugia malayi | 21 (1.6) |
| Strongyloides stercoralis | 17 (1.3) |
| Taenia solium | 15 (1.1) |
| Wuchereria bancrofti | 14 (1.0) |
| Onchocerca volvulus | 13 (1.0) |
| Clonorchis sinensis | 8 (0.6) |
| Fasciola hepatica | 8 (0.6) |
| Opisthorchis viverrini | 6 (0.4) |
Search performed on PubMed on March 15, 2012, using the advanced search builder. In a first step, the term “PLoS Neglected Tropical Diseases” was entered in the field “journal”, which revealed 1,335 hits. In subsequent steps, helminth-specific terms were added using the Boolean operator “AND”. Bold text in the table indicates parasites, parasitic infections, and diseases covered by the Disease Reference Group on Helminth Infections (DRG4).