Welcome to community, @Christine2874 !
Airbnb is a booking platform.
The short answer is that as an Airbnb host, you do need additional insurance.
Hosting with any natural frequency is likely to void your current homeowners' policy, and Airbnb's protection is inadequate.
In the Airbnb help page, where you’ll find articles such as the below.
Host Guaranteed
https://www.airbnb.com/d/guarantee
Host Protection Insurance
https://www.airbnb.com/d/host-protection-insurance
What's the difference between Airbnb's Host Guarantee and Host Protection Insurance?
https://www.airbnb.com/help/article/938/whats-the-difference-between-airbnbs-host-guarantee-and-host...
Investopedia
Investopedia is the world's leading source of financial content on the web, ranging from market news to retirement strategies, investing education to insights from advisor
Airbnb: Advantages and Disadvantage
https://www.investopedia.com/articles/personal-finance/032814/pros-and-cons-using-airbnb.asp
Do consult with your local insurance agency for additional protection and the insurance procedures.
Happy Hosting!