The United States recorded more than 15,000 deaths from Covid-19 and over 1.2 million new cases for the week ended Dec. 27, though those numbers may be artificially low due to reporting gaps over the Christmas holiday.

The number of coronavirus deaths in the United States crossed 300,000 on Dec. 14, according to a Reuters tally, as the hardest hit nation rolled out its first vaccine inoculations on the same day.

The United States lost 15,000 people to Covid-19 during the week ended Dec. 6, the deadliest seven days since April, and health officials warned that the worst is yet to come.

The United States recorded 10,000 coronavirus deaths and more than 1.1 million new cases for the week ended Nov. 29, although state and health officials said the Thanksgiving holiday likely caused numbers to be under-reported.

The United States recorded more than 1 million new Covid-19 cases in the past week as new infections rose in every state except for Hawaii, according to a Reuters analysis of state and county reports.

The coronavirus pandemic raged across the United States as the country elected a new president, with the daily number of new infections hitting record highs for four straight days.

The United States reported a record increase in coronavirus cases for a fourth consecutive day with at least 131,420 new infections, bringing the country’s total caseload to about 9.91 million, according to a Reuters tally.

The United States set a one-day record for new coronavirus cases with at least 102,591 new infections and as hospitals in several states reported a rising tide of patients, according to a Reuters tally.

The number of new Covid-19 cases in the United States hit another record high, rising 18% week-over-week to more than 575,000, while deaths inched up 3%, according to a Reuters analysis of state and county reports.

U.S. coronavirus cases crossed the 9 million mark, rising by 1 million in two weeks as the world’s worst-affected country faces a resurgence in the pandemic just ahead of elections.