The phrase "a pattern of spread" is correct and usable in written English.
It can be used when discussing the way something, such as a disease or information, disseminates or expands over time or space.
Example: "The researchers observed a pattern of spread in the virus that indicated it was more contagious in urban areas."
Alternatives: "a trend of dissemination" or "a mode of distribution".
The performed investigation revealed that an initial overestimation of the risk of infection in the general population, possibly induced by the high concern for the emergence of a new influenza pandemic, results in a pattern of spread compliant with the observed one.
A pattern of spread of waterpipe smoking appears to be through immigration.
In conclusion, a pattern of spread consistent with the emergence of an infectious agent was supported by a spatial trend (pattern).
So it was a radical departure when the United Way of Greater Los Angeles — which had long followed a pattern of spreading its $60 million or so in annual largess in all directions — announced this year that it would narrow its focus and devote its discretionary giving only to programs that fight poverty.
Viral rashes follow a pattern of spreading, either outward or inward, as just described.
First, this study aimed to explore the spatial characteristics of self-reported PCVAD distribution and spread in Ontario, and second, it aimed to investigate whether a pattern of local spread of PCVAD existed under Ontario conditions, and if it did, to describe its characteristics.
The aim here is to understand whether spontaneous behavioral changes in the population could be responsible for such a pattern of epidemic spread.
For SIs and NPCIs, a pattern of decreasing spread among coverage probabilities for QTL in all marker densities is visible across sub-simulations with the QTL not on the left marker (10 50% distance).
This dependence was interpreted as the existence of a pattern of local spread.
A pattern of northward spread and notification of autochtonous VL due to vector diffusion has been recorded in northern Italy [ 6, 7] and southern Germany [ 8, 9].
A pattern of local spread also appeared to exist, as evidenced by spatio-temporal clustering of PCVAD and existence of spatio-temporal clusters.
