LOS ANGELES (KABC) — As the Omicron variant tears through Southern California, the CDC is now updating its guidance telling Americans that cloth masks provide “the least protection,” while surgical masks, N95s, and KN95s, can offer more.

“They’re better because they fit better. They have more layers of protection built into them,” said Los Angeles Public Health Director Barbara Ferrer.

Ferrer says “fit” is most important, which is why she wears a KF94 mask.

“It fits really, really tightly over your nose, under your chin,” she said.

Added protection is a top concern as the Los Angeles Unified School District struggles with absences. Officials say that nearly a third of students missed school after the winter break. A rapid rise in cases in the Culver City Unified School District prompted…