The actual pace of infections was different. Researchers have long said the number of infections likely is many millions higher, having been undercounted in part because of testing limitations.
According to Johns Hopkins University data shows December as the deadliest month of the pandemic for the US, accounting for more than 77,500 of the country’s 346,000 Covid-19 deaths.
And experts have warned daily numbers could worsen nationwide in the coming weeks, with swells stemming from gatherings and travels over the holidays.
Despite repeated calls from local and state leaders for people to celebrate with only members of their household, millions of Americans opted to spend time away from home.