Polio outbreak in Sudan.

An outbreak of Polio in Sudan has been linked to an oral vaccine that uses a weakened form of the virus.

The oral vaccine has been discontinued in much of the world, however is still preferred in some areas due to its ease of delivery.

The outbreak comes one week after the World Health Organisation declared wild polio eradicated in Africa.

UK trials routine Covid testing.

The UK government is set to begin trialling weekly Covid testing.

The trials will begin with repeat testing in hospitals and schools with officials hopeful to expand testing to the entire population.

Former UK health secretary Jeremy Hunt has called for regular testing to become the norm, as the country prepares for a possible second wave during winter.

Pope Francis addresses faithful outside Vatican.

Pope Francis has made his first public appearance in almost six months addressing followers outside the Vatican on Wednesday.

In his address the Pope urged those present to come together in solidarity with one another in the wake of COVID-19.

500 faithful followers were in attendance at the address, all wearing masks and adhering to social distancing measures.

Russian opposition leader poisoned.

Authorities have confirmed that Russian Opposition Leader Alexei Navalny has been poisoned in an attempted murder.

Mr Navalny remains in a coma after findings reveal he was poisoned using a Novichok nerve agent, in what German chancellor Angela Merkel has described as an attempt to silence him.

British Prime Minister Boris Johnson has condemned the attack, describing it as outrageous, and says the world will be looking to Russia for answers.