NewsYour current position:Home > News Authorities discourage travel, waive refund charges A passenger enters Beijing Capital International Airport in Beijing on Wednesday amid upgraded epidemic prevention measures. CHENG GONG/FOR CHINA DA Chinese researchers develop anti-SARS-CoV-2 nanomaterial BEIJING -- Chinese researchers have recently developed a nanomaterial that targets the spike protein of coronavirus SARS-CoV-2 variants, including Del two years after recovering from covid-19, the risk of brain and mental illness remains higher Millions of people who have had Covid-19 still face a higher risk of neurological and psychiatric conditions, including brain fog, dementia and psycho Multiple applications of the laryngeal mask airway The laryngeal mask was successfully developed and used clinically in the mid-1980s and introduced in China in the 1990s. Great progress has been made Statement from Pfizer Chairman and CEO Albert Bourla on Testing Positive for COVID-19 On August 15, local time, Albert bourla, chief executive officer of Pfizer of the United States, tested positive for novel coronavirus. He said that t Foley Catheter Application for Cervical Ripening and Induction of Labor Accelerating cervical maturation with a Foley catheter prior to induction of labor is acommon obstetric intervention when the risk of continuing the p Prev ...12131415161718192021 Next