Attack rates of CHIK fever confirmed cases in different villages in the Xincun community.

<p>Attack rates of CHIK fever confirmed cases in different villages in the Xincun community.</p

Phylogenetic dendrogram of 5 Dongguan CHIKV strains.

<p>This dendrogram was constructed using the neighbor-joining method based on the alignment of <i>E1</i> gene sequences. The bootstrap values from 1000 pseudoreplicates for major lineages within the tree are shown as percentages. Dongguan CHIKV strains are marked using the symbol ▴.</p

Temporal distribution of onset of cases during the CHIK fever outbreak in Xincun.

<p>Temporal distribution of onset of cases during the CHIK fever outbreak in Xincun.</p

Age distribution for confirmed cases during the CHIK fever outbreak in the Xincun community.

<p>Age distribution for confirmed cases during the CHIK fever outbreak in the Xincun community.</p

<i>E1</i> gene nucleotide sequences of the CHIKV strains used for phylogenetic analysis.

<p>CSE: Central/South/East.</p

Location of the epidemic site of the CHIK fever outbreak at Xincun community.

<p>Location of the epidemic site of the CHIK fever outbreak at Xincun community.</p

Daily changes in BI, MOI and air temperatures during the CHIK fever outbreak in Xincun.

<p>Daily changes in BI, MOI and air temperatures during the CHIK fever outbreak in Xincun.</p

Clinical manifestations of CHIK fever confirmed cases in the Xincun community.

<p>Clinical manifestations of CHIK fever confirmed cases in the Xincun community.</p