Typhoid vaccine failure warning

Typhoid vaccine failure warning

By Michelle Roberts
Health editor, BBC News online

Typhoid fever is uncommon in England, with an estimated 350 cases occurring each year.

More than 700,000 people recently immunised against typhoid may not have full protection because of a dud vaccine that has now been recalled, say experts.

Manufacturer Sanofi Pasteur MSD has recalled 88% of its stock - 16 batches - of Typhim Vi vaccine because tests found some samples were too weak.

Anyone immunised with the vaccine since January 2011 could be affected.

Officials stress that the vaccine was safe and posed no health threat.

Read more: http://www.bbc.co.uk/news/health-19873171