- Reduction in hookworm infection after praziquantel treatment among children and young adults in Leyte, the Philippines. Shaw, J.G., Aggarwal, N., Acosta, L.P., Jiz, M.A., Wu, H.W., Leenstra, T., Coutinho, H.M., Olveda, R.M., Kurtis, J.D., McGarvey, S.T., Friedman, J.F. Am. J. Trop. Med. Hyg. (2010)