Decoding the Role of Temperature in RNA Virus Infections

Karishma Bisht, Aartjan J.W. te Velthuis

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations


RNA viruses include respiratory viruses, such as coronaviruses and influenza viruses, as well as vector-borne viruses, like dengue and West Nile virus. RNA viruses like these encounter various environments when they copy themselves and spread from cell to cell or host to host. Ex vivo differences, such as geographical location and humidity, affect their stability and transmission, while in vivo differences, such as pH and host gene expression, impact viral receptor binding, viral replication, and the host immune response against the viral infection. A critical factor affecting RNA viruses both ex vivo and in vivo, and defining the outcome of viral infections and the direction of viral evolution, is temperature. In this minireview, we discuss the impact of temperature on viral replication, stability, transmission, and adaptation, as well as the host innate immune response. Improving our understanding of how RNA viruses function, survive, and spread at different temperatures will improve our models of viral replication and transmission risk analyses.

Original languageEnglish (US)
Issue number5
StatePublished - Sep 2022

All Science Journal Classification (ASJC) codes

  • Virology
  • Microbiology


  • RNA polymerase
  • RNA virus
  • SARS coronavirus 2
  • arbovirus
  • flavivirus
  • influenza A virus
  • innate immune response
  • replication
  • respiratory virus
  • stability
  • temperature
  • transmission
  • zoonotic


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