Epidemiologists warn there is no proof that antibody tests can show if someone who has been infected cannot be infected again.
Price gouging, marking up the cost of items simply because they're in high-demand, has been seen across many online retailers.
A false conspiracy theory linking 5G masts to the pandemic has been blamed for a recent surge in attacks on mobile masts.
The message will be shown to anyone who has liked, reacted or commented on "harmful misinformation about COVID-19".
Unproven conspiracy theories claiming that the deployment of 5G masts caused the coronavirus outbreak are still circulating.
The actress and her husband Tom Hanks were in Australia last month when they were confirmed as having COVID-19.
In a rare collaboration, the companies plan to add new software to devices to help track down people who may have been infected.
As the US virus death toll hits 13,000, the president turns his focus to what Russia says may be "an attempt to privatise space".
The coronavirus pandemic is bringing significant challenges for the video games industry, despite the potential for more players.
Martin Shkreli was sentenced to seven years in prison in 2018 for defrauding investors in two botched hedge funds.
The only area of movement that increased was in residential parts, indicating people are staying at home during the virus crisis.
A fifth of children questioned in one survey admit chatting to strangers while online.
Scientists looked at nine patients and found high levels of virus replication in upper respiratory tract tissues .
Social media users claim the app has resulted in their other online accounts being compromised.
People have been found to have the highest happiness levels after they see each other.
Convalescent plasma treatment dates back as far as 1918 but some experts believe it could be the best hope for fighting COVID-19.
Neither the official UK Prime Minister account nor Boris Johnson's personal account have run ads mentioning coronavirus.
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