Type 1 wild-vaccine recombinant polioviruses were isolated from poliomyelitis patients in China from 1991 to 1993. We compared the sequences of 34 recombinant isolates over the 1,353-nucleotide (nt) g
BackgroundThe human norovirus GII.2 outbreak during the 2016–2017 winter season was of unprecedented scale and geographic distribution. MethodsWe analyzed 519 complete VP1 gene sequences of the human
tMRCA estimations for NS5B data sets. Results correspond to Bayesian Skyline Plots run under the GTR+Γ+I model of nucleotide substitution using a relaxed clock model (uncorrelated lognormal) and setti
