Sent_en: 2fil This novel variant may have become dominant ... because it was not as easily affected as other strains by the avian vaccine used to prevent H5 infection.
Sent_yy: Ang virus na ito ay maaaring maging dominante...dahil ito ay hindi madaling naaapektuhan ng bakuna na ginagamit upang mapigilan ang impeksyon mula sa H5, di kagaya ng ibang klase ng virus.