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View our work on COVID-19 vaccinationsTotal COVID-19 tests conducted vs. Confirmed cases
A high number of confirmed cases for a given level of testing gives an indication that the number of confirmed cases heavily underestimates the true number of
infections.
All our related research and data
Charts
- Biweekly change in confirmed COVID-19 cases
- Biweekly change in confirmed COVID-19 deaths
- Biweekly confirmed COVID-19 cases
- Biweekly confirmed COVID-19 cases per million people
- Biweekly confirmed COVID-19 deaths
- Biweekly confirmed COVID-19 deaths per million people
- COVID-19 Stringency Index
- COVID-19 Testing Policies
- COVID-19 death rate vs. Population density
- COVID-19 vaccination policy
- COVID-19 vaccine booster doses administered
- COVID-19 vaccine booster doses administered per 100 people
- COVID-19 vaccine doses administered
- COVID-19 vaccine doses administered by manufacturer
- COVID-19 vaccine doses administered per 100 people
- COVID-19: Containment and Health Index
- COVID-19: Daily new confirmed cases vs cumulative cases
- COVID-19: Daily new confirmed cases vs cumulative cases
- COVID-19: Daily tests vs. Daily new confirmed cases
- COVID-19: Daily tests vs. Daily new confirmed cases per million
- Cancellation of public events during COVID-19 pandemic
- Case fatality rate of COVID-19 vs. Median age of the population
- Case fatality rate of the ongoing COVID-19 pandemic
- Case fatality rate vs. Tests per confirmed case
- Case fatality rate vs. Total confirmed COVID-19 deaths
- Confirmed COVID-19 deaths per million vs GDP per capita
- Confirmed COVID-19 deaths vs. Population density
- Cumulative COVID-19 tests, confirmed cases and deaths
- Cumulative COVID-19 tests, confirmed cases and deaths per million people
- Cumulative confirmed COVID-19 casesMap and country time-series
- Cumulative confirmed COVID-19 casesBy Region
- Cumulative confirmed COVID-19 cases and deaths
- Cumulative confirmed COVID-19 cases per million vs. GDP per capita
- Cumulative confirmed COVID-19 deathsBy Region
- Cumulative confirmed COVID-19 deaths vs. cases
- Daily COVID-19 tests
- Daily COVID-19 tests
- Daily COVID-19 tests per thousand people
- Daily COVID-19 tests per thousand peopleRolling 7-day average
- Daily COVID-19 vaccine doses administered
- Daily COVID-19 vaccine doses administered per 100 people
- Daily and total confirmed COVID-19 deaths
- Daily and total confirmed COVID-19 deaths per million
- Daily confirmed COVID-19 casesMap and country time-series
- Daily confirmed COVID-19 casesStacked area chart – by world region
- Daily confirmed COVID-19 cases and deaths
- Daily confirmed COVID-19 cases per million people
- Daily confirmed COVID-19 cases per million, 3-day rolling average
- Daily confirmed COVID-19 cases per million: which countries are bending the curve?Trajectories
- Daily confirmed COVID-19 cases, rolling 7-day average
- Daily confirmed COVID-19 cases: which countries are bending the curve?
- Daily confirmed COVID-19 deathsMap and time-series
- Daily confirmed COVID-19 deathsBy Region
- Daily confirmed COVID-19 deaths per million people
- Daily confirmed COVID-19 deaths per million, 3-day rolling average
- Daily confirmed COVID-19 deaths per million, rolling 7-day average
- Daily confirmed COVID-19 deaths per million: which countries are bending the curve?Trajectories
- Daily confirmed COVID-19 deaths, rolling 7-day average
- Daily confirmed COVID-19 deaths: which countries are bending the curve?Trajectories
- Daily new confirmed COVID-19 cases and deaths
- Daily new confirmed cases of COVID-19
- Daily new confirmed cases of COVID-19
- Daily new confirmed cases of COVID-19 per million people
- Daily new estimated COVID-19 infections from the ICL model
- Daily new estimated COVID-19 infections from the IHME model
- Daily new estimated COVID-19 infections from the LSHTM model
- Daily new estimated COVID-19 infections from the YYG model
- Daily new estimated infections of COVID-19
- Daily tests per thousand peopleSince total confirmed cases reached 1 per million
- Daily vs. Total confirmed COVID-19 cases
- Daily vs. Total confirmed COVID-19 cases per million people
- Daily vs. Total confirmed COVID-19 deaths per million
- Daily vs. cumulative confirmed deaths due to COVID-19
- Debt or contract relief during the COVID-19 pandemic
- Excess mortality: Cumulative deaths from all causes compared to projection based on previous years
- Excess mortality: Cumulative number of deaths from all causes compared to projection based on previous years
- Excess mortality: Deaths from all causes compared to average over previous yearsP-scores, average baseline
- Excess mortality: Deaths from all causes compared to average over previous years, by ageP-scores, average baseline
- Excess mortality: Deaths from all causes compared to projection based on previous yearsP-scores, projected baseline
- Excess mortality: Deaths from all causes compared to projection based on previous years, by ageP-scores, projected baseline
- Excess mortality: Raw number of deaths from all causes compared to projection based on previous yearsRaw death counts
- Face covering policies during the COVID-19 pandemic
- Government Response Stringency Index vs. Biweekly change in confirmed COVID-19 cases
- Grocery and pharmacy stores: How did the number of visitors change since the beginning of the pandemic?
- How did the number of visitors change since the beginning of the pandemic?
- Income support during the COVID-19 pandemic
- International travel controls during the COVID-19 pandemic
- Number of COVID-19 patients in ICU per million
- Number of COVID-19 patients in hospital
- Number of COVID-19 patients in hospital per million
- Number of COVID-19 patients in intensive care (ICU)
- Number of people fully vaccinated against COVID-19
- Number of people who received at least one dose of COVID-19 vaccine
- Number of tests per confirmed case vs. Total confirmed COVID-19 cases per million people
- Parks and outdoor spaces: How did the number of visitors change since the beginning of the pandemic?
- Per capita: COVID-19 tests vs. Confirmed deaths
- Per capita: tests for COVID-19 vs. Confirmed cases
- Public information campaigns on the COVID-19 pandemic
- Public transport closures during the COVID-19 pandemic
- Residential areas: How did the time spent at home change since the beginning of the pandemic?
- Restrictions on internal movement during the COVID-19 pandemic
- Restrictions on public gatherings in the COVID-19 pandemic
- Retail and recreation: How did the number of visitors change since the beginning of the pandemic?
- SARS-CoV-2 sequences by variant
- SARS-CoV-2 variants in analyzed sequences
- School closures during the COVID-19 pandemic
- Share among unvaccinated people who would get a COVID-19 vaccine this week if it was available to them
- Share of COVID-19 tests that were positiveOver time, since 5th death was confirmed
- Share of SARS-CoV-2 sequences that are the delta variant
- Share of people fully vaccinated against COVID-19 by age
- Share of people partly vaccinated against COVID-19 by age
- Share of people that have received at least one dose of the COVID-19 vaccine by age
- Share of people who received at least one dose of COVID-19 vaccine
- Share of the population fully vaccinated against COVID-19
- Share of total COVID-19 tests that were positive
- Stay-at-home requirements during the COVID-19 pandemic
- Tests conducted per new confirmed case of COVID-19
- Tests per confirmed case – total vs. Case fatality rate
- Tests per thousand since the 100th confirmed case of COVID-19
- Tests per thousand since the 5th confirmed death due to COVID-19
- The share of COVID-19 tests that are positive
- Total COVID-19 testsLine chart
- Total COVID-19 testsMap chart
- Total COVID-19 tests conducted vs. Confirmed cases
- Total COVID-19 tests conducted vs. Confirmed cases per million
- Total COVID-19 tests for each confirmed case
- Total COVID-19 tests for each confirmed caseBar chart
- Total COVID-19 tests per 1,000 peopleLine chart
- Total COVID-19 tests per 1,000 peopleMap chart
- Total COVID-19 tests per 1,000 peopleBar chart
- Total COVID-19 tests per 1,000 vs. GDP per capita
- Total COVID-19 tests per 1,000: how are testing rates changing?Since daily new confirmed deaths due to COVID-19 reached 0.1 per million
- Total COVID-19 tests per 1,000: how are testing rates changing?Since daily new confirmed deaths due to COVID-19 reached 0.1 per million
- Total and daily confirmed COVID-19 cases
- Total and daily confirmed COVID-19 cases per million people
- Total confirmed COVID-19 casesBy Income Group
- Total confirmed COVID-19 cases per million peopleMap and country time-series
- Total confirmed COVID-19 cases per million: how rapidly are they increasing?Trajectories
- Total confirmed COVID-19 cases vs. deaths per million
- Total confirmed COVID-19 cases, by source
- Total confirmed COVID-19 cases: how rapidly are they increasing?Trajectories
- Total confirmed COVID-19 deathsMap and country time-series
- Total confirmed COVID-19 deathsBy Income Group
- Total confirmed COVID-19 deaths and cases per million people
- Total confirmed COVID-19 deaths per million people
- Total confirmed COVID-19 deaths per million vs GDP per capita
- Total confirmed COVID-19 deaths per million: how rapidly are they increasing?
- Total confirmed COVID-19 deaths: how rapidly are they increasing?Trajectories
- Total confirmed deaths due to COVID-19 vs. Population
- Total confirmed deaths from COVID-19, by source
- Total number of COVID-19 tests per confirmed case
- Transit stations: How did the number of visitors change since the beginning of the pandemic?
- Week by week change in confirmed COVID-19 cases
- Week by week change of confirmed COVID-19 cases vs. GDP per capita
- Week by week change of confirmed COVID-19 deaths
- Week by week change of confirmed COVID-19 deaths vs. GDP per capita
- Weekly case growth rate vs. daily case rate
- Weekly confirmed COVID-19 cases
- Weekly confirmed COVID-19 cases per million people
- Weekly confirmed COVID-19 deaths
- Weekly confirmed COVID-19 deaths per million people
- Weekly death growth rate vs. daily death rate
- Weekly new ICU admissions for COVID-19
- Weekly new ICU admissions for COVID-19 per million
- Weekly new hospital admissions for COVID-19
- Weekly new hospital admissions for COVID-19 per million
- Which countries do COVID-19 contact tracing?
- Workplace closures during the COVID-19 pandemic
- Workplaces: How did the number of visitors change since the beginning of the pandemic?