The phrase "an active summer program" is correct and usable in written English.
You can use it to describe a summer program that involves engaging activities or participation.
Example: "The community center offers an active summer program filled with sports, arts, and outdoor adventures for children."
Alternatives: "a dynamic summer program" or "an engaging summer program".
Rosenfeld, Sirowitz had an active past year.
Kraft, Amgen, and Abbott all have active summer internship programs for students from undergraduate to doctoral.
Since 2002, an active surveillance program for TSE has been implemented in small ruminants in European Union (EU) countries.
Since 2002, an active surveillance program for Transmissible Spongiform Encephalopathy (TSE) in small ruminants has been implemented in European Union countries.
The Center for Disease Control under the Department of Health in Taiwan established an active surveillance program in 1998 to study the epidemiologic features of invasive pneumococcal diseases in Taiwan.
Since 2002, an active surveillance program for transmissible spongiform encephalopathy in small ruminants in European Union countries allowed identification of a considerable number of atypical cases with similarities to the previously identified atypical scrapie cases termed Nor98.
The extent of this forest cover has been increasing since the 1990s through an active conservation program that has established numerous protected forests and nature reserves and has promoted reforestation campaigns.
In 1995 and 1996, the Public Health Laboratory Service instituted an active reporting program for outbreaks of NV through the Electron Microscopy Network.
In contrast, Adelphi has an active recruitment program, and 194, or 3.3percentt, of its 5,900 students come from foreign countries.
In Norway, an active surveillance program on influenza A viruses in wild waterfowl was started in 2005 [ 7].
