+**Ad9** refers to [Human Adenovirus](/wiki/Human_Adenovirus) serotype 9, a DNA [Virus](/wiki/Virus) often explored in genetic research. This specific designation is noted for its distinct genomic profile and its observed interactions within host cells.
+## See also
+- [Adenovirus](/wiki/Adenovirus)
+- [Virology](/wiki/Virology)
+- [DNA Virus](/wiki/DNA_Virus)
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