Have you experienced or felt any of these? If so, the good news is, so have many other college students. It isn't just you.
Lee, J., Solomon, M., Stead, T. et al. Impact of COVID-19 on the mental health of US college students. BMC Psychol 9, 95 (2021). https://doi.org/10.1186/s40359-021-00598-3
The college is closely following all health guidelines. You can protect yourself by getting a Covid vaccination and wearing a mask.
Source: University of Texas Tech University Health Sciences Center
A person can grieve about many things--especially during a pandemic. Some may have lost a loved one, some might feel the loss of the ability to freely do the things they enjoy, they may miss being with friends, etc. It's normal. Here are some links to help you understand, and through, that process.