CCCVd are small, circular and single-stranded, and they cannot replicate themselves, so they totally depend on a host.
They cannot replicate themselves, and therefore are completely depend on a host. CCCVd are small, circular and single-stranded.
CCCVd are small, circular and single-stranded. They cannot replicate themselves, and therefore are completely depend on a host.
CCCVd are small, circular and single-stranded. They cannot replicate themselves, and therefore are completely depend on a host.