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Updated: Dec 11, 2025

A Method to Test the Efficacy of Handwashing for the Removal of Emerging Infectious Pathogens
Published on: June 7, 2017
Viewpoint - Handwashing and COVID-19: Simple, right there…?
1Energy & Resources Group, 310 Barrows Hall #3050, UC Berkeley, Berkeley, CA 94720, USA.
Accessible water services are crucial for preventing communicable diseases like COVID-19, especially in low-income regions. Investing in reliable water access is a foundational step for global health, dignity, and development.
Area of Science:
- Public Health
- Global Health
- Infectious Disease Prevention
Background:
- COVID-19 highlights the lack of proven pharmaceutical interventions and vaccines, making prevention paramount.
- Handwashing, a known disease prevention method, is neglected despite its critical role, particularly during pandemics.
- Over 26% of the global population lacks home handwashing access, with over 50% in low-income countries facing this issue, often due to unaffordable or unavailable water.
Purpose of the Study:
- To emphasize the critical need for prioritizing and funding accessible water services in underserved regions.
- To advocate for water services as a foundational investment for health, dignity, and development in the post-COVID-19 era.
- To highlight the cost-benefit advantages of water and sanitation investments, proven effective even before the pandemic.
Main Methods:
- This viewpoint paper synthesizes existing knowledge on handwashing, water access, and public health investments.
- It analyzes the implications of water scarcity for communicable disease prevention, using COVID-19 as a case study.
- The paper draws on global cost-benefit analyses of water and sanitation projects.
Main Results:
- Lack of affordable and reliable water access significantly hinders effective handwashing, a key preventive measure.
- Water and sanitation investments demonstrate significant net benefits across all developing regions, considering health and time savings.
- The COVID-19 crisis underscores the urgent necessity of addressing water access disparities.
Conclusions:
- Governments and donors must prioritize and generously fund affordable, reliable, and accessible water services globally.
- Investing in water services is essential for pandemic preparedness and response, directly impacting health outcomes.
- Accessible water is a fundamental requirement for health, dignity, and sustainable development worldwide.
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