Official says vaccine could reach the general population by May or June, but Biden has sounded a considerably more skeptical note. A once-infamous waste site in New Jersey will become a Covid memorial, and the pandemic may be creating a sales bump for Christmas trees. RIGHT NOW Residents of nursing homes could receive vaccine by the end of December, official says. Here’s what you need to know: California, besieged by the coronavirus, is ordering many residents to stay home.

Millions of people in the U.S. and across the world could be vaccinated this month. San Diego Ballet School students wear protective masks backstage during a performance of “The Nutcracker” on Saturday.BING GUAN / Reuters Updated Dec. 6, 2020, 9:44 PM +06 Countries across the world are preparing to begin…