prepatent

prepatent

(prē-pā′tĕnt)
Before becoming evident or manifest.
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References in periodicals archive ?
They also do a magnificent job of highlighting the need for standardized non-morphological characters to be used in new descriptions for coccidia, such as location and liming of sporulation, host-specificity, length of prepatent and patent periods, and resulting pathology of infection with various life stages, and include summaries of how these data have contributed to the recognition or rejection of each taxon within its representative entry.
Considering that the prepatent period (time from start of infection to time infection is discovered, e.g., person notices strobila excreted in feces) is 2-4 weeks, patients probably acquired infective plerocercoids during February-June.
In this study, asymptomatic infection was found in 8 subjects; however, because there was no follow-up, it raises the question of whether this parasitaemia is detected in the last moment of the incubation period; given the short time between the completion of the prepatent period and the end of the incubation period (1 day for P.
Most of these immunological tests proved to be sensitive enough to detect fasciolids infection during the prepatent period in ruminants.
Sarcomas in cats have been reported to develop as early as 4 months and up to several years after vaccination, although in many instances the prepatent period is unknown [8].
Nielsen, "Recent advances in diagnosing pathogenic equine gastrointestinal helminths: the challenge of prepatent detection," Veterinary Parasitology, vol.
(15) Additionally, the proguanil analog WR250417 (also known as PS-15) was shown to extend the prepatent period of P cynomolgi from 8.5 days to 18.3 days in drug-treated monkeys, but did not prevent a primary infection.
of + ve Rate of infected mice infected mice infection Non- diabetic mice 60 52 86.6% Diabetic mice 80 77 96.2% probability P > 0.05 insignificant Table 2: Prepatent period in experimental giardiasis of non-diabetic and diabetic mice groups : Perpatent Infected mice groups period in days non-diabetic mice diabetic mice Range 3 to 6 days 2 to 5 days means [+ or -] s.d.
A short (39-73 days) prepatent period was documented, and calves as young as 1.5 months were infected.
The prepatent period of 4 days observed in this study is consistent with the findings of Umar et al.