Biden will announce vaccination requirement across federal government on Thursday

President Joe Biden will announce on Thursday a requirement that all federal employees and contractors be vaccinated against Covid-19, or be required to submit to regular testing and mitigation requirements, according to a source with direct knowledge of the matter.

The announcement will come in remarks where Biden is also expected to lay out a series of new steps, including incentives, in an attempt to spur new vaccinations as the Delta variant spreads rapidly throughout the country. It will also follow the decision by the Department of Veterans Affairs to require its frontline health...