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Prevalence and clinical correlates of COVID-19 outbreak among healthcare workers in a tertiary level hospital

Khurana et al., medRxiv, doi:10.1101/2020.07.21.20159301
Jul 2020  
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Case 51% Improvement Relative Risk HCQ for COVID-19  Khurana et al.  Prophylaxis Is pre-exposure prophylaxis with HCQ beneficial for COVID-19? Retrospective 181 patients in India Fewer cases with HCQ (p=0.021) c19hcq.org Khurana et al., medRxiv, July 2020 FavorsHCQ Favorscontrol 0 0.5 1 1.5 2+
HCQ for COVID-19
1st treatment shown to reduce risk in March 2020
 
*, now with p < 0.00000000001 from 417 studies, recognized in 46 countries.
No treatment is 100% effective. Protocols combine treatments. * >10% efficacy, ≥3 studies.
4,800+ studies for 102 treatments. c19hcq.org
Study of hospital health care workers showing HCQ prophylaxis reduces COVID-19 significantly, OR 0.30, p=0.02. 94 positive health care workers with a matched sample of 87 testing negative. Full course prophylaxis was important in this study which used a low dose of 400mg/week HCQ (800mg for week 1), so it may take longer to reach therapeutic levels. Actual benefit of HCQ may be larger because severity of symptoms are not considered here but HCQ may also reduce severity.
risk of case, 51.0% lower, RR 0.49, p = 0.02, treatment 6 of 22 (27.3%), control 88 of 159 (55.3%), NNT 3.6, odds ratio converted to relative risk.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Khurana et al., 24 Jul 2020, retrospective, India, preprint, survey, 6 authors.
This PaperHCQAll
Prevalence and clinical correlates of COVID-19 outbreak among health care workers in a tertiary level hospital in Delhi
Dr Ankit Khurana, G P Kaushal, Rishi Gupta, Vansh Verma, Kabir Sharma, Manmohan Kohli
doi:10.1101/2020.07.21.20159301
In this study, we summarize the epidemiological characteristics of COVID-19 outbreak among Healthcare workers (HCWs) in a tertiary care hospital and compared various parameters and preventive measures taken by positive HCWs to a comparable cohort of COVID negative HCWs. 52.1% of COVID-19 positive HCWs showed symptoms of which only three needed hospitalization possibly due to a younger cohort of HCWs who got infected (35.9 ± 9.3 years). Findings of present study found some protective role of full course prophylactic hydroxychloroquine as compared to a control group (p=0.021) and use of N95 masks over others (p<0.001). Our results did not show any added protection with the use of prophylactic Vitamin C, D, Zinc, or betadine gargles. We also observed outbreak control with increased awareness, near universal testing, PPE provision, sanitization drive, and promoting social distancing among HCWs. .
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Available from: ' 'http://medrxiv.org/lookup/doi/10.1101/2020.04.16.20065920', 'DOI': '10.1101/2020.04.16.20065920'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.42', 'doi-asserted-by': 'publisher', 'DOI': '10.1001/jama.2019.11645'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.43', 'doi-asserted-by': 'publisher', 'DOI': '10.1038/s41591-020-0843-2'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.44', 'doi-asserted-by': 'publisher', 'DOI': '10.15585/mmwr.mm6912e1'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.45', 'doi-asserted-by': 'publisher', 'DOI': '10.1002/jmv.25750'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.46', 'doi-asserted-by': 'crossref', 'unstructured': 'Gudbjartsson DF , Helgason A , Jonsson H , Magnusson OT , Melsted P , ' 'Norddahl GL , et al. Spread of SARS-CoV-2 in the Icelandic Population. N ' 'Engl J Med. 2020 Apr 14;NEJMoa2006100.', 'DOI': '10.1101/2020.03.26.20044446'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.47', 'doi-asserted-by': 'crossref', 'unstructured': 'Lavezzo E , Franchin E , Ciavarella C , Cuomo-Dannenburg G , Barzon L , ' 'Del Vecchio C , et al. Suppression of COVID-19 outbreak in the ' 'municipality of Vo, Italy [Internet]. Epidemiology; 2020 Apr [cited 2020 ' 'May 28]. Available from: ' 'http://medrxiv.org/lookup/doi/10.1101/2020.04.17.20053157', 'DOI': '10.1101/2020.04.17.20053157'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.48', 'doi-asserted-by': 'publisher', 'DOI': '10.1056/NEJMc2009316 [published Online First: 2020/04/14]'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.49', 'doi-asserted-by': 'crossref', 'unstructured': 'Baggett TP , Keyes H , Sporn N , Gaeta JM . COVID-19 outbreak at a large ' 'homeless shelter in Boston: Implications for universal testing ' '[Internet]. Public and Global Health; 2020 Apr [cited 2020 May 28]. ' 'Available from: ' 'http://medrxiv.org/lookup/doi/10.1101/2020.04.12.20059618', 'DOI': '10.1101/2020.04.12.20059618'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.50', 'doi-asserted-by': 'publisher', 'DOI': '10.15585/mmwr.mm6912e3'}, { 'key': '2021012000000899000_2020.07.21.20159301v1.51', 'unstructured': 'Liu Y , Ning Z , Chen Y , Guo M , Liu Y , Gali NK , et al. Aerodynamic ' 'analysis of SARS-CoV-2 in two Wuhan hospitals. Nature [Internet]. 2020 ' 'Apr 27 [cited 2020 May 28]; Available from: ' 'http://www.nature.com/articles/s41586-020-2271-3'}], 'container-title': [], 'original-title': [], 'link': [ { 'URL': 'https://syndication.highwire.org/content/doi/10.1101/2020.07.21.20159301', 'content-type': 'unspecified', 'content-version': 'vor', 'intended-application': 'similarity-checking'}], 'deposited': { 'date-parts': [[2021, 1, 20]], 'date-time': '2021-01-20T08:01:24Z', 'timestamp': 1611129684000}, 'score': 1, 'resource': {'primary': {'URL': 'http://medrxiv.org/lookup/doi/10.1101/2020.07.21.20159301'}}, 'subtitle': [], 'short-title': [], 'issued': {'date-parts': [[2020, 7, 24]]}, 'references-count': 51, 'URL': 'http://dx.doi.org/10.1101/2020.07.21.20159301', 'relation': {}, 'published': {'date-parts': [[2020, 7, 24]]}, 'subtype': 'preprint'}
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Please send us corrections, updates, or comments. c19early involves the extraction of 100,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. FLCCC and WCH provide treatment protocols.
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