Abstract
Virus biomass outweighs human biomass, and insects biomass outweighs human biomass. Insects are regularly habited by viruses as well as humans, humans are further inhabited via insects. A model of viral flow is described and specified to explain influenza virus seasonality, which, in temperate climate, usually evolves when insects have mostly disappeared. With this hypothesis a coherent description of regular seasonal influenza and other seasonal respiratory virus infections in temperate climates is possible. The incidence of influenza under different circumstances e.g. temperature, humidity, or tropical conditions and different aspects like synchronicity of infections or in respect to evolutionary conditions do sustain this hypothesis if the behaviour of insects is considered.
Highlights
Influenza virus crosses species barriers from time to time and persists in the species (e.g. humans, dogs, horses) for a certain time in a seasonal manner, and is eventually lost
Hypothesis for influenza seasonality via viral-flow In this model, insects serve as a buffer for influenza virus
Seasonality of influenza is explainable using this insect-compartment model in temperate climate conditions
Summary
Influenza virus crosses species barriers from time to time and persists in the species (e.g. humans, dogs, horses) for a certain time in a seasonal manner, and is eventually lost. When influenza virus has reached humans and persists there, it disappears during off-season but re-emerges regularly. Hypothesis for influenza seasonality via viral-flow In this model, insects serve as a buffer for influenza virus. Virus particles are set free, and humans are infected.
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