U.S. Vice President Mike Pence received his Covid-19 vaccine live on television on Dec. 18, seeking to shore up public support for vaccinations after U.S. deaths from the coronavirus topped 3,000 for a third straight day.

The mayor of San Francisco ordered new lockdowns and business restrictions across the Bay Area in the face of the Covid-19 surge, as political leaders nationwide ramp up pressure on Americans to stay home until vaccines can be distributed.

Former U.S. Presidents Barack Obama, George W. Bush and Bill Clinton said they were willing to be vaccinated against the novel coronavirus on television in order to ease any public skepticism over the safety of new vaccines.