Tardif then saved Dave Brammer's first spot kick for Crewe before tipping the second from Kenny Lunt on to the crossbar.

BBC: Cherries upset Crewe

And the Vale boss said he has now turned his attentions to securing the futures of other loanees, Lee Collins and Dave Brammer.

BBC: Icy conditions frustrate Glover

"Our job is really to figure out what viruses are going around and what effect they're having, " said Lynnette Brammer, an influenza epidemiologist at the CDC.

CNN: Tracking the flu with technology and Twitter

The CDC teams do check tools like the Google Flu Tracker, and Brammer says that while the results don't always match up, Google is close to the CDC's own findings most of the time.

CNN: Tracking the flu with technology and Twitter