v-safe User Agreement Users of the v-safe data are required to adhere to the following standards for the analysis and reporting of research data. All research results must be presented and/or published in a manner that protects the confidentiality of participants. v-safe data will not be presented and/or published in any way in which an individual can be identified. Therefore, users will: l. zy. Not attempt to link or permit others to link the data with individually identified records in another database. Not attempt to learn the identity of any participant in the data and will not deliberately combine these data with other CDC or non-CDC data for the purpose of matching records to identify individuals. If you should inadvertently discover the identity of any participant, you will ensure the identity of any participant is kept confidential, and will not be used in any publications and/or presentations. . Not imply or state, either in written or oral form, that interpretations based on analysis of the data reflect official CDC policies or positions. . Understand that sub-national analyses are not appropriate for this national sample and will not be conducted. . Understand that v-safe is a voluntary self-enrollment program requiring smartphone access; therefore, information from v-safe might not be representative or generalizable to the US population. By clicking on the weblink below to download and use these v-safe data, you signify your agreement to comply with the above-stated terms.