The phrase "are circulating between" is correct and usable in written English.
It can be used to describe the movement or exchange of information, ideas, or items among a group of people or entities.
Example: "The latest rumors are circulating between the employees, creating a buzz in the office."
Alternatives: "are being shared among" or "are passing through".
"In a totally secret and uncontrolled fashion, some 200 million francs in 500-franc notes are circulating between the prime minister's office, the presidency and the various ministries," Thierry Jean-Pierre, a former judge, wrote in the daily Le Monde this week.
However, in order to be more certain whether strains are circulating between cattle and wild animals, we need to cultivate mycobacteria and use genetic strain typing methods to characterise them accurately.
In addition, major translational ventures have been characterised as "multi-directional and multi-modal" enterprises where "objects, knowledge, practices and resources are circulated between multiple sites" (Lewis et al. 2014).
Mr. Kony seems to be circulating between Central African Republic and the Darfur region of Sudan, which is a problem for the Ugandans, because while they have permission from the authorities in Congo, Central African Republic and southern Sudan, they are not allowed to cross into northern Sudan.
Wang and colleagues also used microsatellite markers to examine S. japonicum across a range of host species in China and reported that parasites were circulating between humans and all the domestic animals species studied, although with some strain structure present and greatest potential transfer between humans and bovines, at least within the marshland regions (Wang et al. 2006).
In order to continually generate an H2-rich product gas, two fluidised-bed reactors are combined and a CO2-sorptive bed material (natural limestone) is circulated between them.
The simulated interface zone was maintained between hot and cold water, and the reaction fluid was circulated between the hot and the cold region repeatedly.
Powder, often used as adsorbent or heat carrier, is circulated between the two beds to enhance the efficiency of mass and heat transfer.
