NIH is a US public funding agency aimed for high risk basic to clinical biomedical research. It offers a number of funding options to American research groups but the University of Malta is eligible to some call opportunities. Therefore, double check for eligibility before applying. The NIH funds indirect costs that include limited facilities and administrative costs (8% of total direct costs, less equipment).
The list of open calls is available on the NIH website.
NIH Research Project Grant Program (R01)
NIH Small Grant Program (R03)