Morogoro virus may affect survival of its natural host

Introduction: This is counterintuitive to expectations: a negative effect of the virus on its host potentially diminishes its own spreading capability.

To understand and predict the spread of infectious diseases from animal hosts to humans, it is essential to know how parasite transmission relates to host density. Theory predicts that when host density drops below a critical threshold, parasites cannot spread quickly enough anymore in the population and will eventually disappear. Theoretically, parasite persistence would thus be impossible when population density regularly remains below the predicted persistence threshold. ...

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