HA:237I Downstream from RBD in TaiwanT1821 and 4 Russian Specimens

A rare Isoleucine, 237I, occurs within ΣPF11 downstream from the Receptor Binding Domain in A/Taiwan/T1821 sampled 2009-05-30 and in 4 Russian sequences.  206T is shared in all five 237I sequences.

Three of the four Russian sequences are from Moscow and were sampled on 2009-05-26 in the same week as the Taiwan sequence.  The fourth is Irkutsk02 that also carries the RBD polymorphism 226R.

An intra-segment exclusivity exists between 206S and 237I at this time upon PF11 backgrounds.

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