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Fig. 1 | Virology Journal

Fig. 1

From: Serological evidence of H9N2 avian influenza virus exposure among poultry workers from Fars province of Iran

Fig. 1

Neighbour-Joining nucleotide Phylogenetic tree with 1000 bootstrap of the AI H9N2 HA gene of the G1 lineage. Sub-lineages a and b are highlighted with yellow and blue frames respectively, Iranian Sequences are highlighted in red and two Iranian strains used in serological analyses are highlighted with gray square. Numbers at the nodes represent bootstrap values (≥70)

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Virology Journal

ISSN: 1743-422X