There are almost 90,000 vacancies in England, says letter on behalf of 1.4m workers, while sickness and stress may prompt more to leave
Doctors, nurses and NHS bosses have pleaded with Boris Johnson to spend billions of pounds to finally end the chronic lack of staff across the health service.
The strain of working in a perpetually understaffed service is so great that it risks creating an exodus of frontline personnel, they warn the prime minister in a letter published on Wednesday.
