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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Dilution curves for the positive samples included in the study. The curves are plots of the log sample dilution vs. the percent normalized inhibition for each dilution compared to the positive control. The curves show samples with high, medium, and low titers.