Stop worrying about Ebola: Protect yourself from contagious viruses you may actually encounter

Stop worrying about Ebola: Protect yourself from contagious viruses you may actually encounter

Stop worrying about Ebola – Recent reports of an Ebola outbreak have reignited public fears about deadly viruses, yet experts argue that the risk to everyday travelers remains minimal. While headlines may emphasize the threat of exotic pathogens, the reality is that many of these viruses are not as prevalent or dangerous as they seem. Dr. Thomas Moore, a clinical professor of medicine at the University of Kansas School of Medicine-Wichita, notes that the average person’s exposure to such viruses is essentially nonexistent unless they are in high-risk settings.

The Invisible Enemy

Dr. Ronald Nahass, president of the Infectious Diseases Society of America and a clinical professor at Rutgers Robert Wood Johnson Medical School, highlights that people are often fixated on the latest viral threat, known as the “germ du jour.” He explains, “A virus is intangible: You can’t see it, can’t feel it until you are sick, so it’s a real concern for many people. I call it the invisible enemy.” This intangibility, combined with lingering anxiety from the COVID-19 pandemic, has made the public hyperaware of potential viral outbreaks. “Our collective PTSD about Covid means we immediately jump to worrying about the next pandemic,” Nahass adds.

“The headlines are scary, but honestly, the risk to the average traveler from these viruses is essentially nonexistent.” — Dr. Thomas Moore

Despite the perceived danger, experts stress that each virus has its own unique behavior. Dr. William Schaffner, a professor at Vanderbilt University Medical Center, uses a relatable analogy: “Think of all your cousins. They may all have the same last name, but each one is distinctive and individual.” While Ebola and measles might seem similar in their infectious potential, their transmission dynamics differ significantly. For instance, Ebola’s spread relies on direct contact with bodily fluids, whereas measles can infect through the air in crowded environments.

Transmission Risks and Realities

According to Schaffner, Ebola is not easily transmitted in everyday situations. “To be infected with Ebola requires direct contact with skin, blood, or bodily fluids such as feces and vomit,” he explains. This means that in most cases, the virus spreads within families or healthcare workers in affected regions, rather than through casual interactions. In Africa, for example, local burial traditions often lead to transmission as mourners touch the still-infectious body of a deceased loved one. “Family members care for sick loved ones in their homes as they get progressively ill, and that’s where the transmission occurs to the caregivers,” Schaffner says.

“A person on an airplane infected with Ebola who is perfectly healthy and has no symptoms is of no risk to anybody else on that airplane.” — Dr. William Schaffner

Even in the context of international travel, the risk of contracting Ebola remains low. “It’s only when the infected person becomes seriously sick that they become hazardous to others,” Schaffner emphasizes. This concept, he notes, is challenging for the public to grasp. While some may fear a single sneeze on a plane could spread the virus, the reality is that asymptomatic carriers pose little threat unless they come into close contact with vulnerable individuals.

Less Common Threats: Hantavirus

Another virus in the spotlight is hantavirus, which is rarely reported in the news but can still pose risks under specific conditions. Most strains found in North America are not transmissible between humans, spreading instead through inhalation of particles from infected rodents. The Centers for Disease Control and Prevention (CDC) reports that only 890 cases were documented in the United States over a 30-year period ending in 2023. However, a rare variant called Andes hantavirus has sparked recent concern.

“Most concerning right now to those of us in infectious disease is measles, with pockets of the US undervaccinated.” — Dr. Ronald Nahass

The Andes strain, prevalent in Argentina and Chile, is the only hantavirus known to spread from person to person. This virus was linked to a recent outbreak on the Dutch cruise ship MV Hondius, where three individuals succumbed to the disease. Authorities suggest that the passengers likely contracted the virus before boarding, highlighting the importance of understanding transmission routes. “To spread, the Andes hantavirus needs direct physical contact, prolonged time spent in close or enclosed spaces, and exposure to the sick person’s body fluids,” the CDC states on its website. Schaffner notes that the cruise ship environment, where people are in close proximity, still resulted in only a small number of infections, suggesting that the virus is contagious but not highly so.

World Cup and Mass Contamination Events

As the World Cup approaches in June, with teams from the US, Mexico, and Canada hosting matches, public health officials are preparing for a potential surge in infectious disease spread. The influx of millions of soccer fans into crowded stadiums could create ideal conditions for a “mass contamination event,” where viruses multiply rapidly due to shared spaces and close interactions. While the focus has been on exotic threats like Ebola, the most pressing concerns are viruses that already circulate regularly in everyday life.

Measles, for example, is one of the most contagious viruses in existence. It spreads through airborne particles when an infected person coughs or sneezes, making it a significant risk in densely populated areas. Schaffner points out that measles can be easily contained with a simple vaccine, yet vaccination rates in regions such as the United States, Canada, Mexico, the United Kingdom, and parts of Europe are declining. “An unvaccinated person at the World Cup could carry measles back to their community, where it could trigger a localized outbreak,” he warns.

Other common viruses, including influenza and respiratory syncytial virus (RSV), also remain relevant. While these are not as deadly as Ebola or measles, their ability to spread quickly in public spaces underscores the need for vigilance. Schaffner advises that the public should not let fear of one virus overshadow their awareness of others. “Fear over one virus should not translate to worry about another, because each has its own personality,” he says, emphasizing the importance of tailored prevention strategies.

Staying Informed Without Overreacting

Experts urge the public to balance awareness with practical steps. For instance, while Ebola and hantavirus may cause unnecessary alarm, they require specific conditions to spread. In contrast, measles and influenza thrive in environments with close human contact, which the World Cup’s stadiums and crowded venues will inevitably provide. “We need to educate people about the real risks and how they can mitigate them,” Schaffner says. This includes simple measures like handwashing, avoiding close contact with sick individuals, and ensuring up-to-date vaccinations.

Dr. Nahass adds that the key to managing viral threats lies in understanding the context of each outbreak. “The media often highlights rare events, but it’s important to recognize that most viruses are not as likely to affect travelers as they might think,” he explains. He also notes that the fear of a new pandemic has been amplified by the lingering effects of the COVID-19 crisis, making people more susceptible to anxiety over any viral headline. “Our focus should be on the viruses that are already present in our communities, not those that are far away,” Nahass says.

In the end, the goal is not to eliminate all concerns but to direct them toward the most relevant threats. While Ebola and hantavirus are dangerous, their spread is limited by specific factors. Meanwhile, measles and common respiratory viruses remain a more immediate risk, especially as global travel and large gatherings increase. By staying informed and taking simple precautions, individuals can protect themselves without succumbing to undue panic. As Schaffner puts it, “The most effective way to prepare is to understand the virus’s behavior and adapt your actions accordingly.”