A Covid-19 vaccine developed by researchers at Oxford University generated an immune response against the disease in Phase-1 trial, The Telegraph reported even as official publication of the results are awaited. ....

The number of Covid-19 cases in the US surpassed 3.5 million on Thursday, reaching 35,33,317, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. ....

US President Donald Trump's administration is considering a sweeping ban on travel from members of the Chinese Communist Party (CCP) and their families, a media report said. ....

Brazilian President Jair Bolsonaro confirmed that he has once again tested positive for the novel coronavirus, roughly a week after he contracted the virus. ....

Former US Vice President Joe Biden, who is to be the Democratic Party candidate for president, has announced an immigration agenda that will end the country-wise green card caps for employment visas so that wait times stretching to decades for Indians can be reduced if he is elected. ....

The overall number of global COVID-19 cases has increased to more than 13.2 million, while the deaths have soared to over 577,000, according to the Johns Hopkins University. ....

The US has registered another record single-day spike of nearly 60,000 COVID-19 cases, which took the total tally over 3.36 million, according to Johns Hopkins University. ....

Wendy Barclay, chairwoman in influenza virology at Imperial College London, has said that coronavirus particles can remain infectious in the air for more than an hour. ....

New data revealed by Gilead Sciences has shown that its antiviral drug remdesivir reduces death risk of severe Covid-19 patients by as much as 62 per cent when compared with standard care alone. ....

The first prayers at Istanbul's Hagia Sophia, a 1,500 year old Unesco World Heritage site which has now been converted into a mosque, will take place on July 24, Turkish President Recep Tayyip Erdogan said. ....