Britain says delay to Serum vaccine delivery contributed to supply squeeze

Outbreak of the coronavirus disease (COVID-19) in Pune

LONDON (Reuters) - Britain's constrained supply of COVID-19 vaccines for its rollout in April is in part due to a delay in a shipment from India's Serum Institute that is making AstraZeneca's shot, health minister Matt Hancock said on Thursday.

"We have a delay in a scheduled arrival from the Serum Institute of India," Hancock told lawmakers.

He added that, separately, a batch of 1.7 million doses had been delayed as it had to be retested, without specifying the manufacturer.

(Reporting by Guy Faulconbridge and Kate Holton, writing by Alistair Smout)