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A dataset of county-level coronavirus cases and deaths that is updated daily COVID Tracking Project [8] March 7, 2020 [9] No Daily State Yes No Yes Yes Yes Yes No No A volunteer-run database of testing and medical stats in the United States Sentiment Analysis of users reviews on COVID-19 contact tracing mobile applications [10] [11] March 2021
After a relatively slow start to the respiratory virus season, Covid-19 levels in the United States began ramping up just ahead of the winter holidays.
COVID-19 Antigen Rapid Test Kit; the timer is provided by the user. Mucus from nose or throat in a test liquid is placed onto a COVID-19 rapid antigen diagnostic test device. COVID-19 rapid testing in Rwanda. An antigen is the part of a pathogen that elicits an immune response. Antigen tests look for antigen proteins from the viral surface.
COVID-19 rapid antigen tests (RATs) have been widely used for diagnosis of COVID-19. The World Health Organization (WHO) COVID-19 Case Definition states that a person with a positive RAT (also known as an antigen rapid diagnostic test or Antigen-RDT) can be considered a "confirmed case of SARS-CoV-2 infection" in two ways. [10]
The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
COVID-19 surveillance involves monitoring the spread of the coronavirus disease in order to establish the patterns of disease progression. The World Health Organization (WHO) recommends active surveillance , with focus of case finding, testing and contact tracing in all transmission scenarios. [ 1 ]
The COVID Tracking Project was a collaborative volunteer-run effort to track the ongoing COVID-19 pandemic in the United States.It maintained a daily-updated dataset of state-level information related to the outbreak, including counts of the number of cases, tests, hospitalizations, and deaths, the racial and ethnic demographic breakdowns of cases and deaths, and cases and deaths in long-term ...
When COVID-19 reached the United States, the original required quarantine was 14 days of length, and later was shortened to 10 days, then 7 days, and eventually even 5 days in some places. Researchers have conducted studies using a variety of methods to analyze the statistical data behind the transmission risks.
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