As scientists question whether the presence, or absence, of antibodies to the novel coronavirus can reliably determine immunity, some are looking to a different component of the immune system, known as T cells, for their role in protecting people in the pandemic.
Kamaru Usman retained the welterweight title by scoring a split-decision victory over Jorge Masvidal in the UFC 251 of the first-ever Fight Island mixed martial arts event held in Abu Dhabi on Sunday.
Featherweight champion Alexander 'The Great' Volkanovski successfully defended his title against challenger 'Blessed' Max Holloway with a split-point decision.
In a bid to put clinical trials of the indigenous COVID-19 vaccine in top gear, the Indian Council of Medical Research (ICMR) on Thursday joined hands with Bharat Biotech International Limited (BBIL).
Philippine President Rodrigo Duterte on Tuesday kept partial restrictions in the capital for another two weeks as he tries to contain the spread of the new coronavirus while reducing the pandemic's economic damage.