{
  "chart": {
    "title": "Week by week change in confirmed COVID-19 cases",
    "subtitle": "The weekly change on any given date measures the percentage change in the number of new confirmed cases over the last seven days relative to the number in the previous seven 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/weekly-growth-covid-cases?csvType=full&useColumnShortNames=false",
    "selection": [
      "Austria",
      "United States",
      "United Kingdom",
      "Canada",
      "South Korea",
      "South Africa",
      "Italy"
    ]
  },
  "columns": {
    "Weekly case growth (%)": {
      "titleShort": "Weekly case growth (%)",
      "titleLong": "Weekly case growth (%)",
      "descriptionShort": "The weekly growth rate measures the percentage change in confirmed cases over the past seven days compared to the seven 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": 954533,
      "shortName": "weekly_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. “Weekly 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/954533.metadata.json"
    }
  },
  "dateDownloaded": "2026-08-31",
  "activeFilters": {}
}