People receive free at-home Covid-19 test kits at a distribution site on January 2, 2022 in Stamford, Connecticut.
John Moore/Getty Images

In pictures: America facing new spike in Covid-19 cases

Updated 4:25 AM ET, Mon January 3, 2022

People receive free at-home Covid-19 test kits at a distribution site on January 2, 2022 in Stamford, Connecticut.
John Moore/Getty Images

The United States, like many other countries around the world, has been seeing a large increase in Covid-19 cases over the last month.

And experts are predicting that the Omicron variant — the most contagious strain of coronavirus yet — is going to make the start of 2022 very difficult. They are urging people to get vaccinated or boosted to protect themselves and others before they face greater chances of infection.