Viruses and Phytoplankton

The researcher is describing her experimental set up to sample and identify the various intercellular (inside the cells) and extracellular viruses (outside the cells) that can attack phytoplankton, such as diatoms.
[This video was recorded by Science by the Sea during the PUPCYCLE II Research Cruise aboard the R/V Sally Ride and is published with the scientist's permission to Science by the Sea:RUclips.]