The N95 mask can filter at least 95% of airborne particles larger than 0.3 micrometer in diameter. So PM2.5 particles which are 2.5 microns in diameter can be filtered well by these masks.

The ambulance collided with a red SUV headed north on Leavitt Street at the intersection, police said A man who was driving the SUV and the female occupants were taken to Mount Sinai Hospital as a ...

Objective: Previous studies indicated that face masks reduce the probability of infection by SARS-CoV-2 but did not examine the relationship between SARS-CoV-2 viral load and mask usage. This study ...

Throughout his career, Boyington worked on a handful of projects, including 'The Osbournes' and 'Workaholics.' By Carly Thomas Associate Editor Cal Boyington, a veteran TV talent agent who co ...

Of that total, 34 were offered testing due to exposure to the infected birds without personal protective equipment such as gloves, masks and goggles ... Pet Fair on Nov. 2, meanwhile, is ongoing.

Saafir, the celebrated Oakland rapper who became a stalwart figure in the world of early Nineties West Coast hip-hop, died Tuesday, Nov. 19, the San Francisco Chronicle reports. He was 54.

“We have so much history I can’t even explain what I’m feeling right now," the rapper said of his late friend Raymond Boyd/Getty Prominent Oakland rapper Saafir has died. He was 54. On ...

Saafir—an Oakland-based rapper known for his appearance in the 1993 film Menace II Society and for albums like 1994's Boxcar Sessions—died on Nov. 19, according to a statement from his ...

There are many reasons red spots form on the skin, so it can be hard to tell exactly what the underlying cause may be. Skin irritation can come from several causes, such as an acute infection or a ...