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The info in the post is not sufficient to solve the problem and to answer the question.
Appendix - the list of definitions to acronym CHB from a dictionary
Acronym Definition
CHB Camp Half-Blood
CHB Chong Hing Bank (est. 1948; Hong Kong)
CHB Chronic Hepatitis B
CHB Children's Hospital Boston (Boston, MA)
CHB Check and Branch
CHB Bachelor of Surgery
CHB Champion Enterprises Inc. (stock symbol)
CHB Child Benefit
CHB Complete Heart Block
CHB Collegium Hungaricum Berlin (Hungarian cultural institute; Berlin, Germany)
CHB Customs House Broker
CHB congenital heart block
CHB Cold Hard Bitch
CHB Cerexhe-Heuseux-Beaufays (Belgian highway project)
CHB Computers in Human Behavior (journal)
CHB Central Hawkes Bay (agricultural region in the North Island of New Zealand)
CHB Certified Hotel Broker
CHB Cargo Handling Battalion
CHB Curly-Haired Boyfriend (nickname for Boston Globe sports columnist Dan Shaughnessy)
CHB Clear Hold Build
CHB Christopher Hamilton Brashier (Lawrenceville, NJ investment group)
CHB Centre Hépato-Biliaire (French: Hepatobiliary Center)
CHB Concrete Hollow Blocks (construction)
CHB Centre Hospitalier de Blois (French: Blois Hospital Center; Blois, France)
CHB Combined Hormone Blockade (prostate cancer)
CHB Certified Head Bustas (gang)
CHB Cornell Hurd Band
CHB Container Handling Building (US government)
CHB Centre Hospitalier de Beauvais (French: Beauvais Hospital Center; Beauvais, France)
CHB Club Hippique des Bruyères (French: Bruyeres Equestrian Club; Bruyeres, France)
CHB Club Hippique de Bourbon (French equestrian club)
CHB Centre Hospitalier de Béziers (French: Béziers Hospital Center; Béziers, France)
CHB Church House Bookshop (UK)
CHB Can't Hold Back
CHB Curly-Haired Bastard
CHB Chapel Hill Brokers
CHB Center Halfback (soccer)
CHB Centre Hospitalier de Bhannès (B'hannes Medical Center, Lebanon)
CHB Check Hook Boxing (forum)
CHB Cardiovascular Health Branch (US CDC)
CHB Community Hospital Bed
CHB Chung Hwa Boatworks (Taiwan)
CHB Cock's Head Brand (Chemical Company of Malaysia Berhad)
CHB Centre Hospitalier Bourg-en-Bresse (French: Bourg-en-Bresse Hospital Center; Bourg-en-Bresse, France)
CHB Camphill Boys Grammar School (UK)
CHB Centre Hospitalier de Bourges (French: Bourges Hospital Center; Bourges, France)
CHB Centre Henri Bénard (French: Henri Bénard Center; European Research Community on Flow, Turbulence and Combustion)
