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Fever may help fight flu by hindering virus replication, new study suggests.
Fever, a natural immune response across many species, may directly help fight viruses like influenza by creating an environment less favorable for replication, according to University of Cambridge research.
Scientists engineered a heat-resistant human flu virus and tested it in mice, which don’t naturally develop fevers.
Under elevated temperatures simulating fever, the normal virus struggled to cause illness, while the heat-tolerant version remained effective, suggesting temperature alone can inhibit certain viruses.
The findings support the idea that fever evolved as a defense mechanism, challenging the routine use of fever-reducing drugs like acetaminophen during viral infections.
Experts caution that while the results are promising, human responses may differ, and more research is needed to determine the best approach to managing fever.
La fiebre puede ayudar a combatir la gripe al impedir la replicación del virus, según sugiere un nuevo estudio.