When Sri Lanka imposed mandatory cremation for people who died from Covid-19 in early 2020, the government presented the decision as a necessary public health safeguard.

Officials warned that burying infected bodies could contaminate groundwater and potentially spread the virus through drinking water supplies.

Yet documents, archived media coverage and thousands of social media posts reviewed for this investigation suggest the debate unfolded within a volatile information environment in which unverified claims circulated rapidly across digital platforms.

The controversy that followed illustrates how public health policy can become entangled with narratives that spread across media ecosystems during periods of crisis.

The claim that shaped policy

The turning point appears to have come at the end of March 2020. In televised briefings and media interviews, officials raised concerns that burial practices could contaminate groundwater in Sri Lanka’s densely populated coastal regions. News reports at the time repeated the claim widely, often presenting it as a scientific justification for a cremation-only policy.

But international guidance available at the time told a more cautious story. Guidelines issued by the World Health Organization (WHO) stated that both burial and cremation could be conducted safely if proper precautions were followed.

Most countries adopted this approach. Sri Lanka did not.

Instead, authorities introduced regulations requiring all Covid-19 victims to be cremated, making the country an outlier in global pandemic policy.

Scientific debate and public messaging

Public discussion around the burial question quickly moved beyond technical arguments. Some commentators argued that Sri Lanka’s geology, particularly its high water table, made burial uniquely dangerous.

These claims appeared frequently in television debates and newspaper columns during the early months of the pandemic.

However, several scientists and public health experts questioned the reasoning.

However, there was little evidence that properly managed burials posed a risk of viral transmission. Despite these concerns, the groundwater narrative gained momentum. Within days, the claim had begun circulating widely on social media.

Tracking the digital spread

To understand how the debate developed online, archived social media content from March to June 2020 was examined for this investigation. Using keyword searches related to burial practices, groundwater contamination and Covid-19 transmission, publicly accessible posts across several major platforms were reviewed.

The analysis identified thousands of posts and interactions discussing burial risks and cremation policy during the early stages of the pandemic. 

Many posts reflected genuine public anxiety about the virus.

Others repeated identical claims that burial would contaminate water supplies or cause environmental disaster.

In several cases, the same images and phrases appeared across multiple pages within short periods of time.

These patterns can be described as narrative replication, where a particular claim spreads quickly across interconnected networks.

A familiar pattern of amplification

The spread of the burial narrative followed a pattern commonly observed in digital misinformation ecosystems. Content often appeared first in smaller online communities such as facebook groups or messaging networks such as whatsapp before migrating to larger public platforms.

From there, high-reach Facebook pages with large followings amplified the posts to broader audiences. Once the claim gained visibility online, it began appearing in television debates and political commentary. The result was a feedback loop in which digital narratives influenced mainstream discussion and vice versa. It was evident that this dynamic allowed unverified claims to move rapidly through multiple layers of the information environment.

The role of viral pages

Large social media pages played a notable role in spreading the burial narrative. Pages known for posting viral or political content frequently shared posts warning that burial practices could endanger public health. Many of these posts generated significant engagement. Comments, reactions and shares sometimes reached into the tens of thousands.

Monitoring groups that track hate speech online recorded a sharp increase in posts targeting the Muslim community during the same period.

These posts frequently linked the pandemic to religious identity. Some framed burial practices as a deliberate risk to national safety.

The scale of engagement suggests the issue had become one of the most polarising online debates of the pandemic.

Media coverage and narrative framing

Traditional media also contributed to shaping public perception. Several television segments focused on alleged breaches of quarantine regulations in Muslim neighbourhoods.

In some cases, footage of individuals being transported to quarantine centres by the military was broadcast repeatedly. Such media framing reinforced public perceptions.

News reports sometimes emphasised the ethnicity or religion of infected individuals even when it had little relevance to the story. This coverage helped create a narrative environment in which burial practices were framed as a potential threat.

Diaspora networks and cross-border conversations

The digital debate was not limited to users inside Sri Lanka. Archived posts examined during this investigation include accounts identifying themselves as members of the Sri Lankan diaspora.

Profiles referencing locations in Europe, the Middle East and Australia regularly shared content discussing burial practices and groundwater contamination.

While the exact location of social media users cannot always be independently verified, profile information and posting patterns indicate that some participants in the debate appeared to be based abroad.

In several cases, diaspora accounts reposted the same graphics, hashtags and arguments circulating in Sri Lanka.

In this instance, diaspora networks often acted as bridges connecting digital conversations across borders.

Narratives that emerge in one country can quickly spread through overseas communities before re-entering domestic debates.

The burial controversy appears to have followed this pattern.

Online harassment and the “spiral of silence”

As the debate intensified, critics of the cremation policy reported facing harassment online.

Journalists, academics and activists who questioned the burial narrative described coordinated attacks in comment sections and social media threads.

In polarised debates, individuals who disagree with dominant narratives may avoid speaking publicly if they fear backlash.

When this happens, the most visible voices in online discussions can shape public perception even if they do not represent the majority view.

It was conclusive that the burial debate displayed signs of this dynamic.

Real-world consequences

The digital controversy had tangible consequences beyond the online sphere.

Members of the Muslim community expressed concern that if they died of Covid-19 their bodies would be cremated against religious tradition.

Community organisations reported that some families delayed seeking treatment because of these fears.

During parts of the pandemic, Muslims accounted for a disproportionately high share of Covid-19 fatalities compared with their share of the population.

It is speculated that fear and mistrust surrounding the cremation policy may have contributed to delayed medical care in some cases.

International human rights groups also criticised the policy, arguing that it infringed on religious rights.

A policy reversed

In early 2021 the government reversed the cremation rule and permitted burials under regulated conditions.

The decision followed months of domestic criticism and international pressure.

Subsequent scientific studies examining burial safety found no evidence that properly conducted burials posed a risk to groundwater.

Officials later acknowledged that earlier concerns about environmental contamination had been misguided.

The policy reversal brought the burial controversy to an end.

But the information dynamics that shaped the debate remain significant.

Lessons from a crisis

The cremation controversy shows how public health decisions can become intertwined with narratives that spread rapidly across digital networks.

A claim about groundwater contamination moved from official statements to media coverage and then to social media platforms where it was repeated thousands of times.

Once embedded in public discussion, the narrative proved difficult to challenge even as scientific evidence contradicted it.

Crises such as this often create conditions in which such dynamics flourish.

Fear, uncertainty and a high demand for information can allow emotionally charged claims to travel faster than technical explanations.

The burial debate demonstrates how narratives can move across media systems, online communities and even national borders.

For us, examining the pandemic’s information environment, the episode offers a reminder that managing a public health emergency involves more than controlling a virus.

It also requires navigating the complex information ecosystems through which public understanding is formed.

This article is an independently produced as part of the Country Collaborative Session under the Indo-Pacific Media Resilience Program (IPMR). The work contributes to the Post-Publication Report – Round 1 of the Country Collaborative Session. The IPMR initiative is organised by Internews.