Lucy Letby also faces 10 charges of attempted murder following an investigation at the Countess of Chester Hospital.
The victim was attacked at a house in Widnes on Tuesday.
A 49-year-old man was found with serious stab wounds and died at the scene on Liverpool Road, police said.
The former nurse is helping officers with their enquiries.
The suspect was detained after climbing a tree in Congleton following a police pursuit.
Officers have located a man in Cheshire who “is currently talking to trained negotiators”.
The far-right activist is not having a good week on the campaign trail.
The 33-year-old was rushed to hospital but doctors were unable to save him.
Nine people were taken to hospital.
...and the attempted murder of another six.