Humans have always battled microbes. But if the assaults seem to be coming more frequently and ferociously, that's because they are
The explanation lies in a gathering perfect storm of factors that taps into nearly every way we live our contemporary lives—from the ubiquity of worldwide travel to humans’ deeper encroachment into previously untouched natural habitats and the modernization that has led to climate change, urbanization, and overcrowding.
Improvements in travel have also come with urbanization. And air travel doesn’t just transport people; it also brings whatever viruses and bacteria they may be harboring to other parts of the world in a matter of hours. The recent monkeypox outbreak, whichto 94 countries in three months, is one example. The virus, which is endemic in Central and Western Africa, hitched rides on people from that region to festivals around the world, and then landed in countries where cases are rarely reported.
Osterholm says all of these converging factors puts the world in a perilous place. “Any one of these on their own is a problem for public health,” he says. “Add them all together, and you get a crisis.”
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Tenacious ‘trash parrots’ locked in escalating ‘arms race’ with humans Down UnderHarry is a U.K.-based staff writer at Live Science. He studied Marine Biology at the University of Exeter (Penryn campus) and after graduating started his own blog site 'Marine Madness,' which he continues to run with other ocean enthusiasts. He is also interested in evolution, climate change, robots, space exploration, environmental conservation and anything that's been fossilized. When not at work he can be found watching sci-fi films, playing old Pokemon games or running (probably slower than he'd like).
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