[ad_1] <br><br>Despite the false positive, federal regulators are still focused on shredded lettuce. <br>[ad_2] <br> <br> <br> <br><a href="https://thehill.com/policy/healthcare/5978349-is-recalled-lettuce-safe-after-false-positive-result-fda-issues-warning/" style="font-size: 12px;color:#D5DBDB" target="_blank">Source link </a>