The company also said it was 'saddened' by the death .

The baby died from blood poisoning at Chelsea and Westminster and St Thomas' hospitals from suspected contaminated drip food. Six other babies are in intensive care.

ITH Pharma managing director Karen Hamling said in a statement: "ITH Pharma is very saddened to hear about the death of a baby in hospital, and that 14 others are ill with septicaemia.

"ITH Pharma is a specialist manufacturer of parenteral nutrition, which is given to babies in neonatal intensive care units.

"The products in question, which are no longer in circulation, are made to order for individual patients on a daily basis, in response to bespoke orders from hospitals.

"We are co-operating fully with the MHRA (Medicines and Healthcare products Regulatory Agency) in the investigation, and are doing everything we can to help them establish the facts in this case as quickly as possible."