Answer:
We can use the fact that people coming together goes against what is currently  considered healthy as a chance to investigate whether technology can aid  loneliness.
Explanation:
In this sentence, the speaker gives off the idea that the gathering  of a large number of people can result in the transmission of diseases. This thus requires that people seclude themselves.
Since seclusion can lead to loneliness, the writer suggests that this could be an opportunity for him and others to investigate ways in which technology can help people to manage loneliness.