Washington, May 16 (TIWN) The US' union of registered nurses condemned the Centers for Disease Control and Prevention (CDC) for lifting mask recommendations for vaccinated people in the country, stating that it would jeopardise the health of frontline workers, the media reported.

The CDC recommendation "is not based on science" and it would jeopardise the health of frontline workers and the general public, Bonnie Castillo, a registered nurse and executive director of the union, National Nurses United, was quoted as saying by the New York Times on Saturday.