Epidemiology and transmission dynamics of COVID-19 in two Indian states.

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Title: Epidemiology and transmission dynamics of COVID-19 in two Indian states.
Authors: Laxminarayan, Ramanan, Wahl, Brian, Dudala, Shankar Reddy, Gopal, K., Mohan B., Chandra, Neelima, S., Reddy, K. S. Jawahar, Radhakrishnan, J., Lewnard, Joseph A.
Source: Science (pre-March 2025). 11/6/2020, Vol. 370 Issue 6517, p691-697. 7p. 4 Color Photographs.
Subjects: Epidemiology, COVID-19, Mortality, Income, SARS disease
Geographic Terms: Tamil Nadu (India)
Abstract: Although most cases of coronavirus disease 2019 (COVID-19) have occurred in low-resource countries, little is known about the epidemiology of the disease in such contexts. Data from the Indian states of Tamil Nadu and Andhra Pradesh provide a detailed view into severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission pathways and mortality in a high-incidence setting. Reported cases and deaths have been concentrated in younger cohorts than would be expected from observations in higher-income countries, even after accounting for demographic differences across settings. Among 575,071 individuals exposed to 84,965 confirmed cases, infection probabilities ranged from 4.7 to 10.7% for low-risk and high-risk contact types, respectively. Same-age contacts were associated with the greatest infection risk. Case fatality ratios spanned 0.05% at ages of 5 to 17 years to 16.6% at ages of 85 years or more. Primary data from low-resource countries are urgently needed to guide control measures. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Epidemiology and transmission dynamics of COVID-19 in two Indian states.
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  Data: <searchLink fieldCode="AR" term="%22Laxminarayan%2C+Ramanan%22">Laxminarayan, Ramanan</searchLink><br /><searchLink fieldCode="AR" term="%22Wahl%2C+Brian%22">Wahl, Brian</searchLink><br /><searchLink fieldCode="AR" term="%22Dudala%2C+Shankar+Reddy%22">Dudala, Shankar Reddy</searchLink><br /><searchLink fieldCode="AR" term="%22Gopal%2C+K%2E%22">Gopal, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Mohan+B%2E%2C+Chandra%22">Mohan B., Chandra</searchLink><br /><searchLink fieldCode="AR" term="%22Neelima%2C+S%2E%22">Neelima, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Reddy%2C+K%2E+S%2E+Jawahar%22">Reddy, K. S. Jawahar</searchLink><br /><searchLink fieldCode="AR" term="%22Radhakrishnan%2C+J%2E%22">Radhakrishnan, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Lewnard%2C+Joseph+A%2E%22">Lewnard, Joseph A.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 11/6/2020, Vol. 370 Issue 6517, p691-697. 7p. 4 Color Photographs.
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  Data: <searchLink fieldCode="DE" term="%22Epidemiology%22">Epidemiology</searchLink><br /><searchLink fieldCode="DE" term="%22COVID-19%22">COVID-19</searchLink><br /><searchLink fieldCode="DE" term="%22Mortality%22">Mortality</searchLink><br /><searchLink fieldCode="DE" term="%22Income%22">Income</searchLink><br /><searchLink fieldCode="DE" term="%22SARS+disease%22">SARS disease</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Tamil+Nadu+%28India%29%22">Tamil Nadu (India)</searchLink>
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  Data: Although most cases of coronavirus disease 2019 (COVID-19) have occurred in low-resource countries, little is known about the epidemiology of the disease in such contexts. Data from the Indian states of Tamil Nadu and Andhra Pradesh provide a detailed view into severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission pathways and mortality in a high-incidence setting. Reported cases and deaths have been concentrated in younger cohorts than would be expected from observations in higher-income countries, even after accounting for demographic differences across settings. Among 575,071 individuals exposed to 84,965 confirmed cases, infection probabilities ranged from 4.7 to 10.7% for low-risk and high-risk contact types, respectively. Same-age contacts were associated with the greatest infection risk. Case fatality ratios spanned 0.05% at ages of 5 to 17 years to 16.6% at ages of 85 years or more. Primary data from low-resource countries are urgently needed to guide control measures. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1126/science.abd7672
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        Text: English
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        PageCount: 7
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      – SubjectFull: Epidemiology
        Type: general
      – SubjectFull: COVID-19
        Type: general
      – SubjectFull: Mortality
        Type: general
      – SubjectFull: Income
        Type: general
      – SubjectFull: SARS disease
        Type: general
      – SubjectFull: Tamil Nadu (India)
        Type: general
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      – TitleFull: Epidemiology and transmission dynamics of COVID-19 in two Indian states.
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            NameFull: Gopal, K.
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              M: 11
              Text: 11/6/2020
              Type: published
              Y: 2020
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