Lewis Mullins died in April last year from pneumonia brought on by chicken pox. He was treated just for chicken pox and medical staff failed to diagnose an underlying bacterial infection.
Coroner Nicola Mundy recorded a narrative verdict and says she's considering writing to the Department of Health highlighting Lewis's case to try and prevent a similar tragedy.
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The suspects were arrested by West Midlands Police and will appear before Westminster Magistrates' Court in London on Friday.