| | The BA.5 subvariant of Omicron was estimated to make up 81.9% of the circulating coronavirus variants in the United States for the week ended July 23, the U.S. Centers for Disease Control and Prevention (CDC) said on Tuesday. | | | The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review. | | | U.S. President Joe Biden's COVID-19 symptoms have now "almost completely resolved" and he now feels well enough to resume his physical exercise regimen, his physician said in a memo on Tuesday. | | | COVID-19 vaccine maker BioNTech said on Tuesday that it and partner Pfizer have filed a complaint with the U.S. District Court in Massachusetts, seeking a judgment that they did not infringe U.S. patents held by rival CureVac . | | | Biogen Inc's treatment for a rare type of amyotrophic lateral sclerosis (ALS) was accepted for review by the U.S. health regulator, weeks after follow-up analyses of data from a failed late-stage study suggested the drug was likely to work. | | | China has appointed Shen Hongbing as the new head of the Chinese Center For Disease Control and Prevention, replacing Gao Fu who retired, the CDC said in a statement on Tuesday. | | | British health agencies have secured funding to develop a standardised approach to test the performance of vaccines being used or in development against monkeypox, days after the World Health Organization (WHO) labelled the growing outbreak a global health emergency. | | | 3M Co on Tuesday disclosed plans to spin off its healthcare business into a listed company, joining a raft of U.S. manufacturers looking to simplify their business and boost investor returns. | | | Nigerian mother of two Crystal Chigbu wept for days after her daughter was born with a rare limb condition that doctors said needed an amputation. She was not so sure. | | | China's southern megacity of Shenzhen vowed to "mobilise all resources" to curb a slowly spreading COVID-19 outbreak, ordering strict implementation of testing and temperature checks, and lockdowns for COVID-affected buildings. | | | | |