The phrase "activities are delayed" is correct and usable in written English.
You can use it to indicate that certain planned activities or events are not occurring as scheduled.
Example: "Due to unforeseen circumstances, many activities are delayed, and we will provide updates as soon as possible."
Alternatives: "activities are postponed" or "activities are on hold."
While the rebuilding takes place, other activities are delayed.
The notion of slack in a project network is a powerful concept that allows planners to schedule scarce resources efficiently and manage people and equipment so that critical activities are kept on schedule and slack activities are delayed without placing the project in jeopardy.
When scarce resources such as time, energy, expertise, and funding are suddenly diverted in relief and recovery work, the overall development activities are delayed significantly.
This affects very much the implementation of service delivery as some of the planned activities are delayed to start or postponed to the other quarter of the year.
The centre began reef-wide aerial surveys on 16 March, though further activities were delayed by Debbie.
Although group activities were delayed due to solo projects, their third EP of 2008, Stand Up, was released.
Promotion of vegetable gardens, small livestock rearing and aquaculture activities were delayed substantially.
Many activities were delayed because of strikes in the public sector and limitations in implementation capacity.
Consequently, surveillance activities were delayed for other diseases, including brucellosis, which thereafter led to an increased number of infected animals.
However, activities were delayed and in the 2000-2002 perionlynly a first workshop was held with representatives of medical training schools.
Trading was so heavy late in the session that statistics on New York Stock Exchange activity were delayed.
