Yaba can refer to

The fine structure of the Yaba monkey tumor poxvirus
Distribution of Lednice (Yaba 1) virus in the chick embryo.
The genome sequence of Yaba-like disease virus, a yatapoxvirus.
Yaba-Like Disease Virus: an Alternative Replicating Poxvirus Vector for Cancer Gene Therapy
Bacillus subtilis YabA is involved in determining the timing and synchrony of replication initiation
Functional dissection of YabA, a negative regulator of DNA replication initiation in Bacillus subtilis
The functional analysis of YabA, which interacts with DnaA and regulates initiation of chromosome replication in Bacillus subtils.
Inhibition of type I and type III interferons by a secreted glycoprotein from Yaba-like disease virus.
Complete genomic sequence and comparative analysis of the tumorigenic poxvirus Yaba monkey tumor virus.
Noirot-Gros, M. F. et al. Functional dissection of YabA, a negative regulator of DNA replication initiation in Bacillus subtilis. Pr...