Is cervical intra-epithelial neoplasia symptomatic?

Very little is known about cervical intra-epithelial neoplasia (CIN) and associated symptomatology. It is often quoted that that CIN is asymptomatic. We wanted to look at whether women with CIN were symptomatic or not.

Paralytic poliomyelitis in Ontario: laboratory studies of two recent cases.

Sporadic cases of paralytic poliomyelitis are being reported with increasing frequency, particularly in unvaccinated persons, in several countries in which the disease had been absent for several years following adequate initial vaccination programmes. In Ontario, two paralytic cases occurred in unvaccinated children after several disease-free years. Detailed studies of the strains of poliovirus type 1 isolated from these patients showed that they were not vaccine strains.