What’s the relationship between the numbers of beds increased and the decease of the active cases?

The Covid-19 started in Wuhan, China. And China was able to control the spread of the virus quickly and effectively. This research paper should focus on the actions that the Wuhan government took during the outbreak of Covid-19, and how it reduces the number of active cases as time went by. For example, China built a hospital in 12 days, increase the number of beds available for patients. What’s the relationship between the numbers of beds increased and the decease of the active cases? Another direction is China sent doctors and nurses to Wuhan from other cities, what the relationship between the numbers of doctors and nurses and the number of active cases? China also had a lockdown in Wuhan which restricts all travels, and how does it limit the spread of the virus? Due to it was Spring festive at the end of January, people in China used to travel a lot to their hometown during this time, without the lockdown, the virus would be carried to other cities and infect more people.