The public’s satisfaction level with the NHS has risen from around 40% to 60% in the last 20 years. More importantly, dissatisfaction has halved from 40% to 20%. This gives the public an NHS net satisfaction level of 40%.
Three times as many people are satisfied with the NHS as are dissatisfied. Labour can argue that the improvement happened on their watch, the fact of the satisfaction however is ongoing, this presents a strategic problem for Labour.
By the time of the 2015 general election Cameron was more trusted than Miliband on the NHS by 22% to 20%. Survation (and other pollsters) find May is more trusted than Corbyn by 35% to 24%, Corbyn is actually distrusted on the NHS by 45% to 31%. The NHS is now a negative for the Labour leader.