Disease From Humans Is Now One of the Greatest Threats to Mountain Gorillas

A tourist’s mild cold can become a fatal outbreak in a gorilla troop.

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Park authorities require visitors to stay at least seven meters away from mountain gorillas during treks.

Mountain gorillas share over 98 percent of their DNA with humans, making them highly susceptible to human respiratory pathogens. Documented outbreaks of pneumonia and other infections have been traced to viruses commonly mild in people. Because gorilla troops live in close-knit social groups, airborne disease spreads rapidly once introduced. With total global numbers barely above one thousand, even small outbreaks can impact long-term population stability. Veterinary teams now intervene with antibiotics and monitoring in extreme cases. Strict distancing rules, mask requirements, and visitor limits are enforced during gorilla trekking. Their biological similarity to humans creates a conservation vulnerability that feels almost paradoxical.

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💥 Impact (click to read)

In a species with slow reproduction and small population size, losing multiple individuals to a virus can undo years of growth. Unlike abundant wildlife populations, mountain gorillas cannot absorb epidemiological shocks easily. Each infection becomes a demographic event. A single coughing visitor represents measurable extinction risk. Few endangered species are threatened so directly by casual human proximity.

Global pandemics highlight the fragility of cross-species disease barriers. As human populations expand closer to protected areas, transmission opportunities increase. Conservation strategies now integrate public health science alongside ecology. The fate of mountain gorillas depends partly on human vaccination rates and respiratory hygiene. Our shared biology binds their survival to ours in unsettling ways.

Source

World Health Organization

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