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Covid-19 and community mitigation strategies in a pandemic

BMJ 2020; 368 doi: https://doi.org/10.1136/bmj.m1066 (Published 17 March 2020) Cite this as: BMJ 2020;368:m1066

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  1. Shahul H Ebrahim, adjunct professor,1,
  2. Qanta A Ahmed, associate professor2,
  3. Ernesto Gozzer, associate professor3,
  4. Patricia Schlagenhauf, professor4,
  5. Ziad A Memish, professor5
  1. 1University of Sciences, Technique and Technology, Bamako, Mali
  2. 2Division of Pulmonary and Critical Care Medicine, NYU-Winthrop Hospital, NYU-Langone Health, Mineola, New York, USA
  3. 3Universidad Peruana Cayetano Heredia, Peru
  4. 4University of Zürich Centre for Travel Medicine, WHO Collaborating Centre for Travellers’ Health, Institute for Epidemiology, Biostatistics and Prevention, Zürich, Switzerland
  5. 5Research and Innovation Center, King Saud Medical City, Alfaisal University, Riyadh, Saudi Arabia
  1. Correspondence to: Z A Memish zmemish{at}yahoo.com

The covid-19 pandemic that was declared on 11 March 2020 has affected countries on all continents.1 Reported case numbers are certainly underestimates given the shortages or unavailability of test kits in many countries, a virus with a basic reproductive value (R0) of 2.2, and evidence of viral shedding from asymptomatic infected people.1234 In addition to suspending travel and efforts to reduce crowds, countries are taking unprecedented measures, including wartime strategies to enhance production of medical supplies in the US, the use of the national guard to restrict movement of people, and suspension of exports of medical products from certain countries (Saudi Arabia, India).5678 Our challenge is to make the best use of available tools through systematic implementation by communities and countries to mitigate the exponential spread of covid-19.

Community mitigation

No specific drugs or vaccines are available, and health systems are overburdened everywhere. We have to rely on targeted, non-coercive, community interventions with sufficient transparency and public engagement and trust, and implement them urgently (box 1).91011 Such measures may help delay the exponential spread …

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