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In Wisconsin, there have been about 1,000 cases so far this year versus a total of 51 last year

"If we are seeing human-to-human transmission now, it is a big deal," one expert says

Signal has generally trailed off, but more sensitive method showed virus lingering in Texas

This new surge is different, WHO leader says

Case shows the failure of WHO's global effort, according to scientists tracking polio outbreaks

Employers fail to provide PPE while concerns grow over undiagnosed cases

Case in New Hampshire resident was the state's first in a decade

These diseases may be causing a buzz, but they're not doing anything unusual this season

The National Animal Disease Center is currently testing a cow vaccine designed to stop the spread

Did high stakes lead to foregoing prevention and mitigation?

A "red flag" for virologists, but status quo for the general public for now

But surge hasn't become a burden on hospitals

"We've seen data showing that vaccination rates across the board globally have dropped"

But other mortality trends reflect the ongoing influence of the pandemic