{
  "chart": {
    "title": "Biweekly change in confirmed COVID-19 cases",
    "subtitle": "The biweekly change on any given date measures the percentage change in the number of new confirmed cases over the last 14 days, relative to the number in the previous 14 days. Due to limited testing, the number of confirmed cases is lower than the true number of infections.",
    "citation": "World Health Organization (2026)",
    "originalChartUrl": "https://ourworldindata.org/grapher/biweekly-growth-covid-cases?csvType=full&useColumnShortNames=false",
    "selection": [
      "United States"
    ]
  },
  "columns": {
    "Biweekly case growth (%)": {
      "titleShort": "Biweekly case growth (%)",
      "titleLong": "Biweekly case growth (%)",
      "descriptionShort": "The biweekly growth rate measures the percentage change in confirmed cases over the past 14 days compared to the 14 days before.",
      "descriptionKey": "- _Confirmed_ cases represent the number of laboratory-confirmed COVID-19 infections as reported to WHO, but may not capture the true scale of infection due to varying testing strategies, case definitions, and underreporting.\n- Data are presented by date of reporting rather than symptom onset, and retrospective updates or corrections by countries can lead to sudden spikes or negative values.\n- Since WHO relies on Member State reporting, differences in local definitions, testing capacities, and reporting practices can affect international comparisons and trending over time.\n- We provide more detail on these points in [Cases of COVID-19: background](https://ourworldindata.org/covid-cases#cases-of-covid-19-background).",
      "shortUnit": "%",
      "unit": "%",
      "timespan": "",
      "type": "Numeric",
      "owidVariableId": 954538,
      "shortName": "biweekly_pct_growth_cases",
      "lastUpdated": "2026-08-31",
      "nextUpdate": "2026-10-01",
      "citationShort": "World Health Organization (2026) – processed by Our World in Data",
      "citationLong": "World Health Organization (2026) – processed by Our World in Data. “Biweekly case growth (%)” [dataset]. World Health Organization, “COVID-19 Dashboard WHO COVID-19 Dashboard - Daily cases and deaths” [original data].",
      "fullMetadata": "https://api.ourworldindata.org/v1/indicators/954538.metadata.json"
    }
  },
  "dateDownloaded": "2026-08-31",
  "activeFilters": {}
}