Ensuring that vaccination does not lead to more severe PID on sub

Ensuring that vaccination does not lead to more severe PID on subsequent exposure to infection will be difficult until we have better diagnostic tests. Ensuring that it does not lead to an increased incidence of infertility or ectopic pregnancy will require a large sample size and prolonged follow up. On the other hand, AZD6244 datasheet it would be relatively easy to study the impact of vaccination on the severity of inflammatory disease

in the eye, and on the incidence or progression of scarring, through frequent examination of study subjects in trachoma endemic communities. The development of a vaccine against Ct has been held back by the widely held belief that whole organism trachoma vaccines enhanced disease severity on subsequent ocular challenge. There is no convincing evidence of this from human vaccine trials. The

evidence comes from studies in non-human primates, in whom increased inflammation was seen in vaccinated animals; but the development of scarring sequelae was not evaluated in these studies. Recent studies in trachoma endemic populations have identified new vaccine candidate antigens, immunological pathways associated with disease selleck screening library resolution and with progressive fibrosis, and biomarkers which predict the outcome of infection. Our understanding of pathogenesis is likely to advance rapidly now that it is possible to genetically manipulate Chlamydia [100]. This new knowledge is likely to hasten the development of a safe and effective chlamydial vaccine, which could be easily evaluated in trachoma endemic communities. Careful thought would need to be given to the recruitment of study subjects since, in communities with a high prevalence, primary infection is likely to occur in early childhood. The authors alone are responsible for the views expressed in this article and do not necessarily represent the views, decisions or policies of the institutions with which they are affiliated. The authors declare that they have no conflict of interest. “
“Gonorrhea is a sexually transmitted bacterial infection caused by the Gram-negative diplococcus

Neisseria gonorrhoeae Mannose-binding protein-associated serine protease (Gc). Gonorrhea is one of the most common infectious diseases worldwide, with significant immediate and long-term morbidity and mortality. In sexually active adolescents and adults Gc causes clinically inapparent mucosal infections (most common in women), symptomatic urethritis and cervicitis, upper urogenital tract infections, and pelvic inflammatory disease. Extra-genital rectal and pharyngeal infections occur frequently and coinfections with other sexually transmitted pathogens are common. Systemic or disseminated gonococcal infections (DGI) are infrequent (0.5–3%), occur mainly in women, and include a characteristic gonococcal arthritis-dermatitis syndrome, suppurative arthritis, and rarely endocarditis, meningitis or other localized infections.

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