There have been 180 new illnesses and seven new deaths related to vaping over the last week, U.S. health officials said on Thursday, suggesting that such cases are still rising at a slightly slower pace across the country.

A total of 1,479 lung injury cases and 33 deaths have taken place in the U.S. since March, when an outbreak appears to have started, according to the latest numbers from the Centers for Disease Control and Prevention.

Last weeks numbers constitute the lowest weekly rise in lung injury cases since mid-September, The Associated Press reported. One prior week , there were 275 new illnesses, marking a 52% rise.