This is such major news because we’re talking about one of the most popular, top-tier meats out there. Whether you buy it at your grocery store meat counter or have a favorite sandwich shop or deli that uses it, now is the time for vigilance. There’s a listeriosis outbreak involving Boar’s Head deli meat and it’s the biggest since the 2011 outbreak linked to cantaloupe. According to NBC, USDA officials have recorded 69 instances in the last year where the Boar’s Head plant in Jarratt, Virginia didn’t comply with federal regulations. That plant is at the center of this wide-spread outbreak. Fli…