The number of cases of coronavirus in the UK jumped to 163 on Friday.
The number increased by 48 cases since Thursday, representing the biggest increase in one day.
So far, more than 20,000 people have been tested and two people have died.
Of the 163 cases, 18 have recovered, while 143 are still active cases.
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The second death was an elderly man who died at Milton Keynes Hospital.
The man, believed to be in his 80s, had underlying health issues, but more tests for the virus are ongoing.
The first death in the UK was reported on Thursday, after a woman in her 70s who had underlying health problems died in a hospital in Reading.
This means three Britons have died since the outbreak in December, the last death being a British man who died last month on the Diamond Princess cruise ship off the coast of Japan.
However, saltwater rinses have not been shown to prevent respiratory infections in the past.
The NHS said: “There is no evidence that regularly rinsing the nose with salt water protects you from coronavirus”.
A top Chinese respiratory expert advised people to rinse their mouths with salt water to prevent infection.
This “cure” was shared widely across social media.
However, it was debunked by other experts.
Expert Zhong Nanshan told CTV News: “No present findings have suggested that saline water can kill the new coronavirus.”
Other myths about coronavirus:
- Wearing a face mask will protect you: Wearing face masks might appear to be effective but in actual fact will do little to protect you from COVID-19.
- Pets can be infected: There are ways to catch coronavirus without direct human contact, but pets are not one way in which this is possible.
- Only older people are at risk: People aged over 60 and those with long-term illnesses may be more susceptible to developing severe symptoms, but anyone can become infected.
- The summer heat will kill the virus: The summer months may lead to a small decrease in transmission, but it likely will not stop the spread of coronavirus completely.
- Boiling fresh garlic will cure coronavirus: There is no scientific evidence to substantiate the claim suggesting garlic boiled water will cure coronavirus.
- Coronavirus is man-made: While experts are still attempting to discover the exact source of the virus, scientists around the world have dismissed these theories.
- The virus can be spread through the post: Getting a letter or package from China will not put you at risk of contracting the virus as it does not stay alive for long on objects or surfaces according to research.
- Children cannot get coronavirus: Anyone of any age can get the new coronavirus.
- Everyone who gets coronavirus will die: The current death rate for the virus is two percent, but officials have said they expect that number to fall.