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The Latest Data FAQs

  • Are current estimates of cases accurate?

    No. It is estimated that official counts of infections underestimate the number of cases. First, due to a failure to test more people whether due to a lack of availability of testing kits or due to...
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  • Are the data models the State is using accurate? How do they account for all the day-to-day changes?

    The State chose dynamic data models that take into account what we are seeing on the ground at a local level. New Jersey uses an ensemble of models which allow us to: Capture trends at a zip code ...
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  • Has anyone in the United States gotten infected?

    Yes. So far there have been hundreds of thousands of confirmed cases of COVID-19 in the US and, tragically, tens of thousands of deaths. The Johns Hopkins University Center for Systems Science and ...
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  • How is the State using data to make decisions and slow the spread of COVID-19?

    Working with a team of leading data scientists and epidemiologists, the State is using several dynamic epidemiology and growth models to predict the spread of the virus and the need for hospital be...
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  • How many people are currently infected?

    For data on confirmed cases of COVID-19 novel coronavirus infection, visit the dashboard created and maintained by the Center for Systems Science and Engineering at Johns Hopkins University. Drafte...
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  • Is there a good example of country data?

    South Korea has made testing many, many people in their country for COVID-19 a priority. A dataset of COVID-19 cases in South Korea is available on Kaggle. Drafted: 11 March 2020
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  • What is the fatality rate?

    As of April 27, around 6.9% of reported COVID-19 cases (globally) had died. The current mortality for known cases of COVID-19 is about 2.3% in South Korea and 3.8% in Germany, countries where there...
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  • When did the coronavirus first come into the United States?

    Based on the available data, it is believed that COVID-19 was introduced multiple times into the US in late January and February 2020. Drafted 13 April 2020
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  • Where is a good place to find a current death toll?

    Coronavirus COVID-19 Global Cases by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. Please note that it is widely known that all measures undercount the actual n...
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  • Where is a good place to find a map of coronavirus cases?

    Coronavirus COVID-19 Global Cases by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. Please note that it is widely known that all measures undercount the actual n...
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  • Where is a good place to find data about coronavirus?

    The Johns Hopkins University Center for Systems Science and Engineering created a dashboard for tracking the COVID-19 pandemic. The World Health Organization is also tracking the COVID-19 pandemic ...
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