Provectus Biopharmaceuticals Engages irlabs for Investor Relations Services KNOXVILLE, TN, Feb. 14, 2024 (GLOBE NEWSWIRE) -- Provectus Biopharmaceuticals, Inc. (“Provectus” or the “Company”) (OTCQB: PVCT) today announced that it has engaged IR Labs, Inc. (“irlabs”) to...