Summary: <p></p><p class="MsoNormal"><span style="">Health officials track the flu every year, but scientists are also using Twitter to monitor flu cases.</span></p><p><span style="">We’ll hear how they do it – and why. </span></p>
Summary: <p></p><p class="MsoNormal"><span style="">Health officials track the flu every year, but scientists are also using Twitter to monitor flu cases.</span></p><p><span style="">We’ll hear how they do it – and why. </span></p>