Why more people are dying with coronavirus in Rhondda Cynon Taf than anywhere else The coronavirus death rate in Rhondda Cynon Taf is now twice the national average Rhondda Cynon Taf has one of the highest death rates from coronavirus since the pandemic began (Image: WalesOnline/ Rob Browne) Poverty and years of neglect are at the root of the reason why Rhondda Cynon Taf is the most Covid-deadly place in Britain. That is the belief of Labour's Rhondda MP Chris Bryant. “Look at towns like Ferndale, Maerdy and Tylorstown which have the highest levels of deprivation and have had the highest levels of death," he told The Mirror.