. . . . . . "Asserts the surveillance system or observational platform through which this real-world occurrence was documented (e.g., the GISAID EpiCoV platform)." . . "has surveillance method" . . "2026-05-22"^^ . . . . "Vocabulary term: mac:hasSurveillanceMethod (draft, unsigned)" . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD3w/IUb755GIzp3ueODYkgELhyq4Clygb5Kspge50xo+n8uC/IvXwi+ukRjEpdfX/JZ09yKUCJ2AMMr/QchrsP1Xhg9Q3fEZ4E12XqFd5jX00Qs0K5XZwjBaV8NdDTJW9I4gpcyh0cry7hSBAWHkXEkqbK+lQvR4UFAKejFq6u/wIDAQAB" . "hJD0dvRVmrL/sG8ZzIf+vdDbD3OA3hVUamXJuOtHfxDUnqVokI56RXneVrPowmcghgbONM0FYkmxn7n6jOXuQE/F54w224/ideO/dtn+iPMG7sOh6pa2FW1Yw9ok2vzLERobYgyZ6YOHRKT9SyDMcy6Gg4VPbbDOLoRPeQM/Pnk=" . . .