Are you the official site? If not then who are you?
No. We are group of dedicated people who are monitoring the news as it is coming along. We are extracting the numbers and putting them up. The sources are mentioned here.
What does this site stands to gain from this?
It is very simple. This affects all of us. We are all in the same boat, rich or poor. We need to prevent the coronavirus spread as soon as possible. We also need to document the data so that people with knowledge are able to map the data.