953 resultados para Compulsory vaccination
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This document gives advice and guidance for registered healthcare professionals on the 2015/16 seasonal influenza vaccination programme for children.
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The circumsporozoite protein (CSP), a major antigen of Plasmodium falciparum, was expressed in the slime mold Dictyostelium discoideum. Fusion of the parasite protein to a leader peptide derived from Dictyostelium contact site A was essential for expression. The natural parasite surface antigen, however, was not detected at the slime mold cell surface as expected but retained intracellularly. Removal of the last 23 amino acids resulted in secretion of CSP, suggesting that the C-terminal segment of the CSP, rather than an ectoplasmic domain, was responsible for retention. Cell surface expression was obtained when the CSP C-terminal segment was replaced by the D. discoideum contact site A glycosyl phosphatidylinositol anchor signal sequence. Mice were immunized with Dictyostelium cells harboring CSP at their surface. The raised antibodies recognized two different regions of the CSP. Anti-sporozoite titers of these sera were equivalent to anti-peptide titers detected by enzyme-linked immunosorbent assay. Thus, cell surface targeting of antigens can be obtained in Dictyostelium, generating sporozoite-like cells having potentials for vaccination, diagnostic tests, or basic studies involving parasite cell surface proteins.
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Infanrix IPV Boostrix-IPV Repevax Babies at 2, 3 and 4 months Children at 3 years 4 months (pre-school booster) Pregnant women New vaccines 2014 Two new vaccine brands – Infanrix IPV Hib and Boostrix-IPV – are being introduced into the national routine immunisation schedule in 2014, alongside Infanrix IPV and Repevax. This chart shows who they are for and aims to avoid the possibility of confusion between the brands. from 1 July 2014 from 1 June 2014 until 30 June 2014 Infanrix IPV Infanrix IPV Infanrix IPV Hib Infanrix IPV Hib Boostrix-IPV Repevax
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Vaccination against shingles for adults aged 70 and 78. Information for healthcare professionals.
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The flu vaccine is now available for all children aged 2 and over.
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The high level of protection elicited in rodents and primates by the radiation-attenuated schistosome vaccine gives hope that a human vaccine relying on equivalent mechanisms is feasible. In humans, a vaccine would be undoubtedly administered to previously or currently infected individuals. We have therefore used the olive baboon to investigate whether vaccine-induced immunity is compromised by a schistosome infection. We showed that neither a preceding infection, terminated by chemotherapy, nor an ongoing chronic infection affected the level of protection. Whilst IgM responses to vaccination or infection were short-lived, IgG responses rose with each successive exposure to the vaccine. Such a rise was obscured by responses to egg deposition in already-infected animals. In human trials it would be necessary to use indirect estimates of infection intensity to determine vaccine efficacy. Using worm burden as the definitive criterion, we demonstrated that the surrogate measures, fecal eggs, and circulating antigens, consistently overestimated protection. Regression analysis of the surrogate parameters on worm burden revealed that the principal reason for overestimation was the threshold sensitivity of the assays. If we extrapolate our findings to human schistosomiasis mansoni, it is clear that more sensitive indirect measures of infection intensity are required for future vaccine trials.
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This leaflet is for pregnant women who have been diagnosed with hepatitis B. It provides information on the care pathway for these women, including referral to a liver specialist, the vaccination course for the newborn child, and long-term protection from the infection.Printing instructions are provided in a PDF below.
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This factsheet provides information in the form of FAQs in relation to hepatitis B: the condition, prevalence, risks, testing, management, vaccination and treatment.