U.S. officials warn doctors about dengue as worldwide cases surge
CBSN
U.S. health officials on Tuesday warned doctors to be alert for dengue cases as the tropical disease breaks international records.
The virus, which is spread by mosquitoes, has been surging worldwide, helped by climate change. In barely six months, countries in the Americas have already broken calendar-year records for dengue cases.
The World Health Organization declared an emergency in December, and Puerto Rico declared a public health emergency in March.

We share our planet with maybe 10 million species of plants, animals, birds, fish, fungi and bugs. And to help identify them, millions of people are using a free phone app. "Currently we have about six million people using the platform every month," said Scott Loarie, the executive director of iNaturalist, a nonprofit.

At ski resorts across the West this winter, viral images showed chairlifts idling over brown terrain in places normally renowned for their frosty appeal. Iconic mountain towns like Aspen, Colorado, and Park City, Utah, were seen with shockingly bare slopes, as the region endured a historic snow drought that experts warn could bring water shortages and wildfires in the months ahead. In:











