Researchers have been able to create an immune response in patients with a vaccine against a cancer-causing protein in phase I trials.
President Joe Biden has said the US will admit up to 100,000 refugees, prompting Ukrainians in cities such as Sacramento and Seattle to make preparations to support those fleeing the conflict-hit country.
Thousands of Americans protest in major US cities in response to a surge of deadly violence against Asian Americans.
Portland has been the scene of unrest for months, with civil rights, anarchist and anti-fascist protesters clashing with police and occasionally with right-wing militias and Trump supporters.
Specially equipped federal police agents sent to Portland had earlier clashed with protesters during antiracism demonstrations.
Meanwhile in Seattle, a judge ordered police to temporarily halt using tear gas, pepper spray and flash-bang devices to break up peaceful protests.
Anti-racism protests continue in the US as statues, monuments and buildings of US historical leaders who carried out policies viewed as racist are being removed, following last month's police killing of unarmed black man George Floyd.
Protesters will take to the streets across the US again, a day after the funeral of George Floyd, whose death in police custody has ignited the biggest surge of anti-racism activism since the civil rights era of the 1960s.
City and state officials deployed thousands of National Guard troops, enacted strict curfews and shut down mass transit systems to slow protest movements, but demonstrators pushed on in many cities.
Yes, Covid-19 originates in China, but it’s globalisation that took the virus on a world tour.
The world does not have time to waste on conspiracy theories and the political blame game.
Wall Street stocks had their worst day since 1987 on Monday, joining global market carnage as coronavirus outbreak shut down a widening part of US and global economy.
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