Detection of indels in the M-F UTR of viral isolates and patient samples.

aSource of importation based on epidemiologic investigation, barbitrary outbreak numbers; samples with the same outbreak number are in the same chain of transmission, i: sequence from single amplicon spanning M-F intergenic region, nd: sequence not done, +: indicates insertion and deletion present,: -: neither insertion or deletion present, s: sequence derived from separate amplicons for M and F UTRs, af: amplification failed, bold sample ID: complete genome sequenced.