Infective larvae of selected batched of the following nematode species from sheep and cattle were examined for survival and infectivity (by injection into either the abomasum, the duodenum, or the jugular vein) after having been stored in liquid nitrogen for 103-136 months: Haemonchus contortus, Haemonchus placei, Ostertagia circumcincta, Ostertagia ostertagi, Marshallagia marshalli, Cooperia s...

To determine whether maternal filariasis influences the risk of infection by and immunity to Wuchereria bancrofti in children, we performed a cross-sectional study in an area of Kenya where filariasis is endemic. Residents of 211 households were enrolled; 376 parents and 938 of their offspring between the ages of 2 and 17 years were examined for filarial infection status as determined by blood-...

BACKGROUND Chronic helminth infections induce a Th2 immune shift and establish an immunoregulatory milieu. As both of these responses can suppress Th1 immunity, which is necessary for control of Mycobacterium tuberculosis (MTB) infection, we hypothesized that chronic helminth infections may exacerbate the course of MTB. METHODOLOGY/PRINCIPAL FINDINGS Co-infection studies were conducted in cot...

objective: to report a case of periocular dirofilariasis. patient and findings: a 27-year-old female referred with history of edema and redness in left eye for two days. on slit-lamp examination, a moving threadlike worm was seen in subconjunctival area. two days later a live filaria worm measuring 12 cm in length was extracted from lower lid subcutaneous tissue. the worm was diagnosed dirofila...

To the Editor of "The Indian Medical Gazette." Sir,? Many thanks for publishing my letter about Mosquito Brigades. My book on this subject is now nearly out. I enclose a list of our publications, and sent you some days ago my First Progress Sierra Leone Report. Now we send Annett and Dutton's Filaria Report, which you will see is a valuable work. Well, I do not think much has yet been done agai...

Of the different lesions caused by Filaria baiicrofti in man, filarial lymphangitis is the most common, and unfortunately the most troublesome affection. The actual mechanism by which filarial lymphangitis is brought about not hitherto been clearly understood. The authors have been engaged on a detailed study of the ;etiology of lymphatic obstruction in fi'ariasis during the past two years, bot...