| prevalence of intestinal helminths among patients admitted to the balik pulau district hospital on penang island. | faecal samples from patients admitted to the district hospital in balik, pulau, penang revealed high infection rates for ascaris lumbricoides, trichuris trichiura and hookworms. the prevalence rates were trichuris trichiura 51.7%, ascaris lumbricoides 31.9% and hookworm 37.2%. the overall highest infection is among the malays (79%), the least being among the chinese (61.1%). the prevalence of ascaris lumbricoides was highest in the 11-20 age group. the prevalence of trichura was highest in the 5 ... | 1977 | 918716 |