"The vaccine is certainly good and welcome news for the medium term," Fed Chair Jerome Powell said during a virtual ECB Forum on Central Banking.Still there's uncertainty regarding the vaccine's production, distribution, and efficacy for certain groups, he added. (See "Logistical challenges can make Pfizer/BioNTEch COVID-19 vaccine a shot for the rich - Bloomberg.")"It's good news, it's encouraging," Andrew Bailey, head of the Bank of England, said about the potential for a vaccine in the next few months.It starts to reduce level of uncertainty that economies have been facing, but "we're not there yet," Bailey adde.Christine Lagarde, President of the European Central Bank, reminded the virtual audience, "we were nine months ago facing a sea of uncertainty.""We are clearly seeing a little less of an uncertainty on several fronts," she added, pointing to the U.S. presidential election having taken place and the vaccine news."We're seeing the other side now," Lagarde
