The negative strand is then transcribed to RNA and this in turn produces a complementary DNA strand. The partial doubled-stranded virion DNA is then synthesized. Replication of RNA viruses RNA viruses have a variety of modes of replication. The other unusual property of the orthomyxovirus group is that the genome is segmented , i.e. influenza A viruses have 8 separate strands of genomic RNA . This is important for its pathogenesis as will be seen later.
Retroviruses are unique.
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