What should I write in the experience section of CV?
In the experience section of the CV, there should be (relatively) relevant experience to the job/internship you are applying to.
It is not clear what you want to write in the experience section. Of course, you shouldn't have a section labelled &quot;experience&quot; and then nothing in it. I would also advise against putting irrelevant experience in this section (e.g. babysitting 5 years ago) which would have the same effect to me.
Writing &quot;internship in [place] on [topic] cancelled because of coronavirus&quot; would not feel right to me neither, especially if this is the only item in &quot;experience&quot;.
Keep the CV short and simple and then address in your cover letter the fact that you didn't do an internship at the end of your Bsc degree because of the coronavirus.