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Monday 21st May 2018

Concern over single vaccine

29th October 2008

Concerns have been raised over the monitoring of single measles and rubella vaccines in the UK.


Researchers flagged up a warning after there was an unexpectedly high number of cases of anaphylactic shock after single vaccines given at private clinics in south west England.

While the figures may be an anomaly, it has brought into focus the poor level of data available on vaccines given at private clinics.

Between 2000 and 2002 it is estimated that just over 5% of UK children received single vaccines in private clinics.

The trend followed a fall in public confidence over the triple MMR vaccine following research, since discredited, linking the vaccination with an increased risk of autism.

While the Archives of Diseases in Childhood stress anaphylaxis is rare, four cases after single vaccines were referred to the research team in Southampton between 2003 and 2007.

When researchers - who say just one case would be unusual - tried to work out the rate of anaphylactic reactions after single vaccines, they found there was no record of how many immunisations are done in private clinics.

Study leader Dr Mich Lajeunesse, a consultant in paediatric allergy in Southampton, said: "The issue is that people go for these vaccines because they are uncertain about how safe the MMR is but we know how safe the MMR is because we have lots of data."

Immunisation providers are not required to report how many vaccines are used but the Healthcare Commission says they would be expected to have systems in place for reporting adverse reactions.


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