US warns against travel to Canada due to rising COVID-19 cases

Last week, the CDC said it’s not changing its definition of “fully vaccinated.”

Read more:COVID-19 booster shots: Will I need a fourth vaccine dose?

Also added to the CDC’s highest-threat COVID level list on Monday was island nation Curacao.

The CDC also has travel oncruise ships on its Level 4 warning list.

COVID is continuing to rise rapidly across the US and the world due to thehighly contagious omicron variant.