Ricin chain A. This vaccination is effective for several months due to the body's production of antibodies to the foreign protein. In 1978 Bulgarian defector Vladimir Kostov survived a ricin attack similar to the one on Georgi Markov, probably due to his body's production of antibodies. When a ricin-laced pellet was removed from the small of his back it was found that some of the original wax coating was still attached. For this reason only small amounts of ricin had leaked out of the pellet, producing some symptoms but allowing his body to develop immunity to further poisoning. The seeds of
Chapel of St Thomas on the Bridge Chapel of St Thomas on the Bridge The Chapel of St Thomas on the Bridge was a bridge chapel built near the centre of "Old" London Bridge in the City of London and was completed by 1209. In 1548, during the Reformation, it was dissolved as a place of worship and soon afterwards converted to secular use. The building survived as a dwelling and warehouse until 1747 when the upper storey at street level was removed; the lower storey, which was built into the structure of one of the piers, remained in use as a store until Old London Bridge