Ministers have been urged to be "straight" with bereaved families over when the Covid-19 public inquiry will begin.
Retired Court of Appeal judge and crossbench life peer Baroness Heather Hallett will chair the investigation into the pandemic, but no formal start date has been announced.
Speaking in the House of Commons, shadow Cabinet Office minister Fleur Anderson said spring is a "vague" timing and said it will be "incredibly difficult" to hold hearings and collect evidence by then.