At approximately 2:20 a.m. Monday, the Kīlauea volcano began erupting in Hawaiʻi Volcanoes National Park. According to the ...

Colleen E. Reid Three years ago, on Dec. 30, 2021, a wind-driven wildfire raced through two communities just outside Boulder, ...

Here are a few of those steps: When you're ready to clean your home, start by protecting yourself. Wear at least an N95 (or KN95) mask and gloves, goggles and clothing that covers your skin. Vacuum ...

The fire burned more than 1,000 homes outside Boulder, Colorado, in 2021. A series of surveys shows residents’ continuing ...

In the days after the Marshall Fire, residents quickly reached out to nearby scientists who study wildfire smoke and health risks at the University of Colorado Boulder and area labs. People wanted to ...

We asked microbiologists and infectious-disease experts which airplane seats come with the lowest risk of getting sick.

One of the most talked-about topics on social media right now is the filthy, hazy, air pollution in Dhaka. With winter ...

The San Francisco Department of Public Health (SFDPH) has received the first report of a death caused by influenza (flu) of the respiratory season. The individual was an adult over the age of 65 and ...

Wearing a face mask when you’re in a public setting is one of the best ways to avoid getting and spreading illnesses like ...

研究表明，判断口罩的防护效果，需要从人体头面部密合度、呼吸阻力、颗粒物过滤效率、人群的适配性、卫生安全性五个方面评价。对于无呼气阀的一次性口罩，原则上不要佩戴超过1小时；对于有呼气阀的口罩，原则上不要佩戴超过1天。

Instead, specific terms were chosen: “((face mask) OR (facemask) OR (surgical mask) OR (FFP1) OR (FFP2) OR (FFP3) OR (N95) OR (KF94) OR (KN95)) AND ((microbial contamination) OR (bacteria) OR (fungi)) ...