Drugmakers said President Joe Biden's support for waiving patents of COVID-19 vaccines could disrupt a fragile supply chain and that rich countries should instead share more generously with the developing world. #News #Reuters #COVID #Biden #Vaccines #Patents Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en