Boris Johnson visiting Oxford vaccine research lab

The video tutorial discusses the handling of immune cells and the procedures involved in processing samples from volunteers potentially vaccinated. It covers the use of sterile tissue culture rooms and leukocyte tubes for separation. The tutorial concludes with a brief mention of a separate incident.

Explain the importance of tissue culture rooms in the context of immune cell separation.

What can be inferred about the handling of samples in a laboratory setting based on the text?