Client for Delphi's 'Epidata' API R package epidatr version 1.2.4 CRAN Task View: Epidemiology (https://CRAN.R-project.org/view=Epidemiology) The Delphi 'Epidata' API provides real-time access to epidemiological surveillance data for influenza, 'COVID-19', and other diseases for the USA at various geographical resolutions, both from official government sources such as the Center for Disease Control (CDC) and Google Trends and private partners such as Facebook and Change 'Healthcare'. It is built and maintained by the Carnegie Mellon University Delphi research group. To cite this API: David C. Farrow, Logan C. Brooks, Aaron 'Rumack', Ryan J. 'Tibshirani', 'Roni' 'Rosenfeld' (2015). Delphi 'Epidata' API. <https://github.com/cmu-delphi/delphi-epidata>. Software Depends: R (>= 3.5.0) Imports: cachem, checkmate, cli, glue, httr2, jsonlite, magrittr, MMWRweek, openssl, purrr, rappdirs, readr, rlang, tibble, usethis, lifecycle, xml2 Suggests: dplyr, ggplot2, knitr, mapproj, maps, rmarkdown, testthat (>= 3.1.5), withr, curl David Weber <davidweb@andrew.cmu.edu> Comprehensive R Archive Network (CRAN) Logan Brooks [aut], Dmitry Shemetov [aut], Samuel Gratzl [aut], David Weber [ctb, cre], Nat DeFries [ctb], Alex Reinhart [ctb], Daniel J. McDonald [ctb], Kean Ming Tan [ctb], Will Townes [ctb], George Haff [ctb], Kathryn Mazaitis [ctb] MIT + file LICENSE (https://CRAN.R-project.org/package=epidatr/LICENSE) 2026-06-02 application/tgz https://CRAN.R-project.org/package=epidatr doi:10.32614/CRAN.package.epidatr en-US