Brazil's vast and diverse geography, with the Amazon to the north, mountain ranges along the Atlantic coast and the Andes to ...

"Our findings show that wildfires led to a dramatic increase in indoor activities, creating the ideal conditions for ...

According to the Centers for Disease Control and Prevention, seasonal flu activity in the USA can begin as early as October and last as late as May, but it usually peaks in January or February.

Monitoring fungal spores in the outdoor air can predict surges in flu and COVID-19 infections, especially during the fall, ...

Tracking the flu has been equally troublesome for health officials. The CDC says the burden of influenza disease in the United States can vary widely and is determined by a number of factors ...

A fourth commercial farm in Maricopa County has tested positive for bird flu. The virus was detected during routine surveillance, before any birds showed symptoms, the Arizona Department of ...