With The Recent Flu Outbreak In The Tri-Cities, The Area’s Blood Supply Has Taken A Hit. Marsh Regional Blood Center’s Blood Supply Is In Need Of Help From The Public To Replenish It. O-Negative, A-Negative, And B-Negative Blood Types Are All Needed. Marsh Regional’s Collection Centers Include West Stone Drive In Kingsport, Knob Creek Road In Johnson City And West State Street In Bristol. To Find Out Mobile Locations, Visit MARSHBLOOD.COM.