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'Satellite' viruses must be in proximity to their 'helper' virus to replicate, but this research reports the first documented case of a satellite virus attaching itself to its helper virus. Out of 50 ...

This story is part of a larger series on viroids and virusoids, small infectious RNAs. It is also the eighth installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious ...

This story is part of a larger series on viroids and virusoids, small infectious RNAs. It is also the seventh installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious ...

Researchers identify the first known instance of one virus attaching to another with stunning clarity in transmission electron microscopy images. Universities around the world run investigative ...

One of the team's discoveries, nicknamed the MiniFlayer, appears to attach itself to their helper virus so both viruses can invade their bacterial host at once. Reading time 3 minutes Viruses are ...

This colorized transmission electron microscope image shows a newly discovered satellite virus latched onto its helper virus. This research represents the first time scientists have observed one virus ...

This colorized transmission electron microscope image shows a newly discovered satellite virus latched onto its helper virus. This research represents the first time scientists have observed one virus ...

Some tiny viruses, called deltaviruses, can only spread by relying on other viruses. A study published in Cell shows that they can even travel hidden inside the particles of these "helper" viruses, ...