This is a massive risk
Em julho de 2021, enquanto o futebol reunia multidões em torno de ecrãs e ruas por toda a Europa e América do Sul, a Organização Mundial da Saúde lembrou ao mundo que a alegria coletiva tem um preço quando a vigilância cede. Não eram os estádios o problema, mas o que acontecia nas suas margens — as celebrações espontâneas, os ajuntamentos informais, os momentos em que a euforia supera a prudência. Com quase quatro milhões de mortos no horizonte, a OMS pedia não o fim da festa, mas a consciência de que cada abraço numa rua lotada carrega consigo uma escolha de saúde pública.
- A OMS alertou que os grandes torneios desportivos estavam a alimentar surtos de COVID-19 em todo o mundo, com os casos a disparar nas semanas seguintes aos jogos.
- O verdadeiro perigo não estava dentro dos estádios, mas nas ruas à volta — nas zonas de adeptos, nas celebrações espontâneas, nos corpos comprimidos pela euforia coletiva.
- Mike Ryan sublinhou que o problema era comportamental e não estrutural: era o que as pessoas faziam depois dos jogos, não durante eles, que propagava o vírus.
- Com mais de 183 milhões de infetados e quase quatro milhões de mortos globalmente — e mais de 17 mil vítimas mortais em Portugal —, a margem para descuidos era estreita e cara.
- A mensagem da OMS era um apelo à mudança de comportamento nas margens dos eventos, reconhecendo que proibir a celebração era impossível, mas que deixá-la sem enquadramento era perigoso.
Em inícios de julho de 2021, enquanto o Euro 2020 e a Copa América mobilizavam adeptos em massa, a Organização Mundial da Saúde emitiu um aviso sério: os grandes eventos desportivos estavam a tornar-se vetores de transmissão do coronavírus à escala global. O problema, porém, não era o que acontecia dentro dos recintos.
Maria Van Kerkhove, responsável técnica da OMS para a pandemia, descreveu o que se tornara uma imagem recorrente nas cidades anfitriãs: multidões de adeptos comprimidas em zonas de convívio, celebrando nas ruas, a vigilância dissolvida na euforia do momento. "Vimos todos as imagens dessas zonas de adeptos, pessoas a celebrar nas ruas fora dos estádios", disse. "E isto representa um risco enorme." Os dados epidemiológicos confirmavam o padrão: onde havia torneios, os casos subiam nas semanas seguintes.
Mike Ryan, diretor de emergências da OMS, precisou o diagnóstico: o vírus não se propagava principalmente nos ambientes controlados dos estádios, mas nas celebrações espontâneas que se seguiam aos jogos — as festas de rua, os ajuntamentos informais, os momentos em que a estrutura cedia à euforia. Era um problema de comportamento tanto quanto de organização.
O aviso chegava com o peso de um balanço brutal: quase quatro milhões de mortos e mais de 183 milhões de infetados em todo o mundo. Em Portugal, o impacto tinha sido severo — 17.112 mortes e cerca de 890.000 casos desde março de 2020. As campanhas de vacinação avançavam, mas o vírus continuava a explorar os momentos de maior desatenção coletiva.
A OMS não pedia o fim das celebrações. Pedia que se encontrassem formas de as enquadrar sem alimentar novas cadeias de transmissão. Era essa a tensão que definiria a saúde pública até ao fim da pandemia: como deixar as pessoas festejar sem que a alegria se tornasse um vetor de sofrimento.
In early July 2021, as Europe's football championship and South America's Copa América drew massive crowds, the World Health Organization issued a stark warning: major sporting events were becoming vectors for COVID-19 transmission at a global scale. The concern was not what happened inside the stadiums themselves, but what unfolded in the streets beyond them.
Maria Van Kerkhove, the WHO's technical lead on the pandemic, spoke directly to this danger during a social media conversation with the public. She described scenes that had become familiar across host cities—throngs of supporters gathering in designated fan zones, celebrating in the streets outside venues, their bodies pressed together in the euphoria of the moment. "We've all seen the images from those fan areas, people celebrating in the streets outside the stadiums," she said. "And this is a massive risk." The warning carried the weight of months of epidemiological observation. Wherever large tournaments had taken place, case counts had spiked in the weeks that followed.
What made the situation particularly vexing was that the problem did not originate from the official events themselves. Mike Ryan, who directed the WHO's emergency response operations, made this distinction clear. The virus was not spreading primarily within the controlled environments of the stadiums, where some protocols could be enforced. Instead, the danger lay in what happened afterward—the spontaneous gatherings, the street parties, the informal celebrations that erupted across cities in the hours and days following matches. "The problem we've seen in recent weeks in many parts of the world is not directly tied to the event itself, but rather to what happens after it," Ryan explained. This framing suggested that the issue was behavioral as much as structural, a matter of how people chose to celebrate rather than how organizers managed the tournaments.
The warning came as the global death toll from COVID-19 had reached at least 3.98 million people, with confirmed infections exceeding 183 million cases worldwide. The pandemic had been grinding on for more than a year by this point, and vaccination campaigns were underway in many countries, yet the virus remained potent enough to exploit moments of mass gathering and lowered vigilance. In Portugal specifically, where the warning would have resonated with local audiences, the toll had been severe: 17,112 deaths and nearly 890,000 confirmed cases since the pandemic began in March 2020.
The WHO's message was essentially a call for behavioral change at the margins of major events. Organizers could not prevent people from celebrating their teams' victories or their nations' participation in these tournaments—nor should they try. But the health officials were signaling that without intervention, these celebrations would continue to fuel transmission chains that would ripple outward into communities for weeks after the final whistle. The challenge lay in finding ways to let people gather and rejoice while reducing the conditions that allowed the virus to spread among them. It was a tension that would define public health messaging for the remainder of the pandemic.
Notable Quotes
The problem we've seen in recent weeks in many parts of the world is not directly tied to the event itself, but rather to what happens after it— Mike Ryan, WHO emergency director
We've all seen the images from those fan areas, people celebrating in the streets outside the stadiums. And this is a massive risk— Maria Van Kerkhove, WHO technical lead on the pandemic
The Hearth Conversation Another angle on the story
So the WHO wasn't saying the stadiums themselves were the problem?
No. The stadiums had some structure, some ability to manage crowds. The real danger was what happened in the streets afterward—the spontaneous celebrations, the fan zones, the places where people naturally congregated without any oversight.
But people want to celebrate. You can't really stop that.
Exactly. That's what made it so difficult. The WHO wasn't calling for a ban on celebration. They were pointing out that the celebration itself, in those uncontrolled spaces, was creating ideal conditions for transmission. It was a behavioral problem, not a structural one.
Did they offer solutions?
Not in this particular warning. They identified the risk and made it visible. The implication was that organizers and governments would need to think differently about crowd management in those peripheral spaces—the fan zones, the streets outside stadiums. But the statement itself was mainly diagnostic.
Why did this matter so much in July 2021 specifically?
Vaccination campaigns were underway, but they weren't complete. The virus was still circulating widely. And these were massive events—Euro 2020, Copa América, Wimbledon. Millions of people converging. The WHO had watched this pattern repeat: event happens, cases spike weeks later in the host region and beyond.
So the virus was traveling with the fans?
In a sense, yes. People came from different regions, celebrated together, then went home. The celebrations themselves weren't the only transmission vector, but they were a significant one. And they were visible, concentrated, and largely unmanaged.