Fig. 2From: Respiratory illness virus infections with special emphasis on COVID-19Taxonomic status of the respiratory viruses in Baltimore system of classification (continuous arrow indicates the virus family that contains the respiratory virus(s), whereas discontinuous arrow indicates that the family does not contain any respiratory virus). dsDNA (double stranded DNA), ssDNA (single stranded DNA), dsRNA (double stranded RNA), (+) ssRNA (positive sense single stranded RNA), (−) ssRNA (negative sense single stranded RNA), ssRNA-RT (single stranded RNA reverse transcribing), dsDNA-RT (double stranded DNA reverse transcribing)Back to article page