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Institutional belief · Medicine and public health

Chlorine dioxide as COVID-19 prevention and treatment

Chlorine dioxide solution was treated as a medically usable means of preventing or treating COVID-19, warranting legal access, public-health supply, and official information campaigns.

1 episode

Current understanding

Current understanding

Chlorine dioxide is an oxidizing chemical used in disinfection and industrial applications, not a proven medicine for COVID-19. There is no adequate scientific evidence that ingesting chlorine dioxide prevents or treats COVID-19, and exposure can cause serious toxic effects. Public-health policy should not infer therapeutic efficacy from its disinfectant properties.

Consequences and human impact

Consequences and human impact

Bolivia presents a particularly sharp institutional contradiction. The national medicines regulator and Ministry of Health publicly stated that chlorine dioxide lacked scientific evidence, authorization, and a valid COVID-19 treatment basis. The legislature nevertheless enacted a national law requiring public-sector supply and information measures for its use as prevention or alternative treatment, and constitutional litigation later made that statutory access operational in a hospital case.

How the consequences followed

The Ministry of Health and AGEMED were correcting institutions in this episode, not carriers of the disputed medical belief. Before Law 1351 was enacted, they had already said chlorine dioxide was not an authorized medicine, lacked evidence for COVID-19, and could endanger health. The law nevertheless assigned the health ministry and territorial governments implementation duties.

Bolivia ended its national COVID-19 health emergency in 2023. Law 1351 was not documented as formally repealed on that date, so the end of the emergency and the legal status of the statute are distinct questions.

Jun–Jul 2020

AGEMED and the Ministry of Health said there was no scientific evidence and warned against use

Oct 2020

Law 1351 made chlorine dioxide a legally recognized COVID-19 prevention and treatment option

2022

Constitutional court confirmed relief requiring hospital access to an outside doctor for chlorine-dioxide treatment under the law

Quantitative figures are highlighted only when the cited evidence supports them. The scale of a related catastrophe is not automatically treated as a death toll caused solely by this belief.

Institutional episode

Bolivia

2020–COVID-19 emergency periodPolicy basis

In June and July 2020, Bolivia's medicines regulator AGEMED and Ministry of Health warned that chlorine dioxide was not an authorized medicine, that no scientific evidence supported its use against COVID-19, and that proposed treatment protocols lacked scientific basis. The legislature nevertheless enacted Law 1351 in October 2020, explicitly regulating chlorine dioxide as COVID-19 prevention and treatment and imposing supply, acquisition, free-distribution, and information duties on public authorities. In 2022 the Constitutional Tribunal upheld relief in a hospital case, reasoning from Law 1351 that a patient should have been allowed access to the requested treatment through specialized outside medical personnel. Bolivia lifted the national COVID-19 health emergency on 31 July 2023.

Institutions

  • Asamblea Legislativa Plurinacional
  • Tribunal Constitucional Plurinacional

Documented consequences

  • Legal recognition of chlorine dioxide as an alternative COVID-19 prevention and treatment option
  • Statutory duties for public-sector supply, acquisition, free distribution, and information campaigns
  • Availability without a prescription under the statutory framework
  • Constitutional litigation requiring a hospital to permit access to requested chlorine-dioxide treatment through specialized outside medical personnel

Institutional machinery

Law 1351 required departmental and municipal governments to guarantee chlorine-dioxide supply in the public health subsector, authorized its use as an alternative prevention or treatment, required information campaigns, and assigned acquisition and free distribution responsibilities. The Tribunal Constitucional Plurinacional's role was judicial enforcement of statutory patient access rather than an independent scientific validation: in SCP 0052/2022-S2 it upheld relief after a hospital refused requested chlorine-dioxide treatment and relied on the national law. The Ministry of Health and AGEMED had opposed the medical premise before enactment even though the law later assigned public-health bodies implementation duties.

Sources and what they establish

Last reviewed: 24/08/2026