There are no librarians at Stony Brook University Libraries that can offer legal advice. This page offers resources found via copyright librarians working hard to supply information to educators who quickly have to adapt from teaching in-person to teaching exclusively online, while trying to adhere to U.S. Copyright law.
The following paragraph is taken from Copyright Services at University of Minnesota, titled, Rapidly shifting your course from in-person to online, found here https://www.lib.umn.edu/copyright/rapidly-shifting-a-course-online.
There are a lot of pedagogical and technical issues that make the shift from in-person to online teaching challenging, but for once, copyright is not a big additional area of worry! Most of the legal issues are the same in both contexts. If it was okay to do in class, it is often okay to do online, especially when your online access is limited to the same enrolled students.
Fair Use is a limitation to exclusive rights in U.S. Copyright law that is our friend, and even more so now during this quick jump to distance learning. Communicating to your students that the sources you are using are In Copyright, if applicable, and should not be shared outside of the course is important once you deemed your use fair. Please visit the first resource below, Public Statement of Library Copyright Specialists, for more information on how Fair Use can work for you.
So, take some deep breaths and we'll figure it out together.