My understanding (i am no expert) of inflation is that rises are caused when the ratio between cash and goods increases?
The response to the pandemic was to close the economy down. Goods stopped being produced and to exaggerate the problem the government introduced an influx of money into the economy through a number huge quantative easing programmes. However, there are further factors at play such as fractional reserve banking and how money is created and added to the economy from thin air through loans/mortgages ect. As more and more people climb on to the housing ladder and houses become more expensive this means that more money is created at an ever increasing rate resulting in a snowball effect.
Other than hike up interest rates I'm not sure what else can be done to stop inflation turning into hyper inflation unless we rip up the rule book and find a better way to run the economy.