China Respiratory Illness: U.S. Health Officials Say Cause is Known A surge of children has been hospitalized in China for respiratory illnesses, but international health authorities said the cause was common viruses and bacteria.
What We Know About the Mysterious Respiratory Illness Affecting Dogs Dogs in at least seven states have been infected. Symptoms include coughing, fever, lethargy and intermittent loss of appetite.
Saharan Dust Could Reach South Florida Residents could experience less rain and higher temperatures because of the dust, and it might affect air quality.
From Wildfire Smoke to Covid, Air Quality Is the Issue of Our Time Wildfire smoke underscores the need for better indoor air quality.
Covid Cautions Continue for Some, Even as Federal Emergency Ends While mandates and lockdowns are long gone, the virus isn’t and, for some Americans, neither are masks.