Chinese scientists find small air pollution particles such as PM2.5 can act as ‘Trojan horse’ for viruses

Fang said that, while the team observed the phenomenon in animal experiments, it may also apply to humans because “the pathways by which animals are infected with pathogenic microorganisms are similar to those of humans”.

“On smog days, we can easily catch a cold or have severe symptoms … because the viruses are absorbed into the air pollution particles, which facilitates the spread of the virus,” she said.

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