The latest polls from the US election have shown that President Donald Trump has cut Joe Biden's lead to five points.

It comes following a series of tirades from the current president against the Democratic candidate. 

Despite the cutting of the lead in national polls, Biden continues to hold his edge over the incumbent in a handful of crucial swing states, including some that Trump won in 2016.

The seven-day rolling average of the approval rating of US Presidential candidates shows Joe Biden on 48% and Donald Trump on 43% courtesy of RealClearPolitics.

Both campaigns have focused on the coronavirus pandemic, health care and the economy, in particular, the devastating job losses felt by millions across the country. 

Donald Trump has proclaimed that his administration has done a “great job” with the economy prior to the Covid-19 outbreak and defended his administration's approach to the pandemic. 

READ MORE: "I don't have to be nice anymore" Donald Trump goes on the offensive as he launches tirade against Joe Biden

Openly contradicting the government's top health experts, President Donald Trump has predicted that a safe and effective vaccine against the coronavirus could be ready as early as next month and in mass distribution soon after.

The comments undermined the director of the Centres for Disease Control and Prevention's (CDC) projections for a longer time frame.

Mr Trump also disagreed with Dr Robert Redfield about the effectiveness of protective masks - which the president recommends but almost never wears - and said he would telephone Dr Redfield to tell him so.

Earlier in the day, the CDC sent all 50 states a "playbook" for distribution of a vaccine to all Americans free of cost when one is proven safe and effective.

Dr Redfield told a congressional hearing that health care workers, first responders and others at high risk would get the vaccine first, perhaps in January or even late this year, but it was unlikely to be available more broadly before late spring or summer.

After Mr Trump's comments, CDC officials said that the director had thought he was answering a question about when the vaccination of all Americans might be completed.

The president made the prediction even though the vaccine is still being tested in human subjects, and some health experts have said they believe a safe and highly effective vaccine is several months way, if not much longer.

Trump has defied state emergency orders and flouted his own administration's coronavirus guidelines as he holds rallies in battleground states.

Democratic governors and local leaders have urged the president to reconsider the events, warning he is putting lives at risk.

READ MORE: Donald Trump accused of flouting his own administration's coronavirus guidelines

Democratic presidential nominee Joe Biden said while campaigning that he trusts what scientists say about a potential vaccine - but not Mr Trump.

Mr Biden has said he would take a vaccine "tomorrow" if it were available but he would want to "see what the scientists said" first.

Last week Trump hit out at Biden saying he did more in 47 months as President than Joe Biden did in 47 years.