"initial spread" is a correct and usable phrase in written English.
It can be used to describe the initial or starting extent or range of something. Example: The initial spread of COVID-19 was mostly contained within China, but it quickly spread to other parts of the world.
What had been unusual about H1N1 was the initial spread among teenagers.
Hit-list scanning is a technique for accelerating the initial spread of a worm.
A gradual condensation of initial spread of the dopant regularizes the average excitation rate.
And hadn't leaky pipes been responsible for the initial spread of SARS into cities in Hong Kong?
As they share clinical features with other pathogens, the initial spread of these viruses can be misdiagnosed.
The initial spread for the first "grey market" dealing in Betfair was set by IG at £12.50 to £12.75.
The investigation also reveals maximization in the excitation rate for some typical range of values of the said initial spread of dopant regime.
Similar studies have shown that the samarium-neodymium (Sm-Nd) parent-daughter pair is more resistant to secondary migration but that, in this instance, sufficient initial spread in the abundance of the parent isotope is difficult to achieve.
It is entirely possible that the initial spread of the cessation of smoking through a network began as one person learned new information and spread it to his or her friends.
Similar studies have shown that the samarium neodymium (Sm Nd) parent daughter pair is more resistant to secondary migration but that, in this instance, sufficient initial spread in the abundance of the parent isotope is difficult to achieve.
The five-year bullet Fannie Mae 5.25%, due Jan . 15 , 2003had an initial spread of 15 basis points.
