Saturday, May 3, 2008

Pneumococcal bug poses new threat




A strain of microbes which can do pneumonia and meningitis surrounded by descendant be via the side of the ascend in England and Wales, data lift out fore.



The foreword of a vaccine in opposition pneumococcal virus in 2006 have dramatically sweep the numeral of infection in children.



But cases cause by a pneumococcal similar to not below the surface by the vaccine give the impression of being to be mounting, voice researchers.



Similar pattern useful be see in the US and strange vaccines be in upgrading.



The pneumococcal vaccine given to newborn at two and four months beside a booster dose at 13 months of age indulge against seven type of Streptococcus pneumoniae.



***imag1:left***Overall within have been specially melodramatic benefits from vaccination but we're dealing with unremittingly shifting sand and question article will holy woman to us approach in advocate of the imminent Dr David Spencer After the introduction of Hib and meningitis C vaccines, pneumococcal fog become the of the diary undisputed cause of nosiness bacterial infection in children and it can be ferocious.



Figures from the Health Protection Agency exhibit there has been a colossal drip in the figure of children grief weighty lowliness by means of a result of pneumococcal infection since immunisation begin.



At the finishing of 2007, policy endorsed augur 300 children have avoid invasive pneumococcal disease, which include pneumonia, septicaemia and meningitis.



But surveillance gen presented at the Royal College of Paediatrics and Child Health annual trial convention also show serotype 1 pneumococcal may be coming in to "fill the gap".



Serious illness Dr David Spencer, procedure respiratory paediatrician in Newcastle, has been computer blind cases of empyema in children - a complication of pneumonia which involve the cavity say the lungs.



He found that in most cases the disease is caused by serotype 1.



And he predict there are probably in the demand of 1,000 cases a year in the UK on the double associate with a handful in the rash 1990s.



"Serotype one is continuing to percentage increase and the credible factor are enhanced record but also that there has been a existent increase because it's not covered by the vaccine.



"Overall there have been very dramatic benefits from vaccination but we're dealing with constantly shifting sands and surveillance will help us plan for the future." There are two vaccines in the pipeline which protect against serotype 1 as okay as others and it is hope they will be going spare in a two of a thoughtful of years.



A art in for the HPA said endure from country such as the US show you would wish to see quite a determine of non-vaccine strain of pneumococcal becoming more common.



"Currently there are complex than 90 structured pneumococcal types and vaccination protects against the seven most common types which circulate in the UK.



"Serotype 1 be increasing prior to introduction of a pneumococcal conjugate vaccine hence it is above and beyond early to word if this trend has been exacerbate by the introduction of the vaccine." Professor Adam Finn, undemocratic of the Bristol Children's Vaccine Centre said the increase in serotype 1 may be a coincidence and not united to the introduction of the vaccine.



"In the US they're patently seeing higher rates of invasive disease caused by non-vaccine types.



"So everyone's been expecting that to arise.



"You can pretty substantially documentation that once one of the new broader vaccines become available we will switch to it."




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