The following is a partial list of the "B" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM). This list continues the information at List of MeSH codes (B03). Codes following these are found at List of MeSH codes (B05). For other MeSH codes, see List of MeSH codes. The source for this content is the set of 2006 MeSH Trees from the NLM. – viruses – arboviruses – archaeal viruses – fuselloviridae – guttaviridae – lipothrixviridae – myoviridae – rudiviridae – siphoviridae – bacteriophages – bacillus phages – caudovirales – myoviridae – bacteriophage mu – bacteriophage p1 – bacteriophage p2 – bacteriophage t4 – podoviridae – bacteriophage n4 – bacteriophage p22 – bacteriophage t3 – bacteriophage t7 – siphoviridae – bacteriophage hk022 – bacteriophage lambda – coliphages – bacteriophage hk022 – bacteriophage lambda – bacteriophage m13 – bacteriophage mu – bacteriophage n4 – bacteriophage p1 – bacteriophage p2 – bacteriophage phi x 174 – bacteriophage prd1 – leviviridae – allolevivirus – levivirus – t-phages – bacteriophage t3 – bacteriophage t4 – bacteriophage t7 – corticoviridae – cystoviridae – bacteriophage phi 6 – inoviridae – inovirus – bacteriophage ike – bacteriophage m13 – bacteriophage pf1 – plectrovirus – leviviridae – allolevivirus – levivirus – microviridae – microvirus – bacteriophage phi x 174 – mycobacteriophages – prophages – pseudomonas phages – bacteriophage pf1 – bacteriophage phi 6 – rna phages – cystoviridae – bacteriophage phi 6 – leviviridae – allolevivirus – levivirus – salmonella phages – bacteriophage p22 – staphylococcus phages – streptococcus phages – tectiviridae – bacteriophage prd1 – defective viruses – hepatitis delta virus – sarcoma viruses, murine – harvey murine sarcoma virus – kirsten murine sarcoma virus – moloney murine sarcoma virus – satellite viruses – tobacco mosaic satellite virus – tobacco necrosis satellite virus – sspe virus – dna viruses – adenoviridae – atadenovirus – aviadenovirus – fowl adenovirus a – mastadenovirus – adenoviruses, canine – adenoviruses, human – adenoviruses, porcine – adenoviruses, simian – siadenovirus – anellovirus – torque teno virus – ascoviridae – asfarviridae – african swine fever virus – baculoviridae – granulovirus – nucleopolyhedrovirus – badnavirus – caudovirales – myoviridae – bacteriophage mu – bacteriophage p1 – bacteriophage p2 – bacteriophage t4 – podoviridae – bacteriophage n4 – bacteriophage p22 – bacteriophage t3 – bacteriophage t7 – siphoviridae – bacteriophage hk022 – bacteriophage lambda – caulimovirus