Oxford Reference contains short-entry and general reference to more in-depth articles on specialized subjects from entries across Oxford University Press’s Dictionaries, Companions and Encyclopedias.
If your topic is on a public health issue that has emerged in the last few years (like COVID), the CDC website will likely have more background information than our encyclopedia databases:
Davidson College Library Research Guides are licensed under
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Mailing Address: Davidson College - E.H. Little Library, 209 Ridge Road, Box 5000, Davidson, NC 28035