The phrase "administered since the" is correct and usable in written English.
It can be used when referring to a process or action that has been in effect from a specific point in time.
Example: "The medication has been administered since the beginning of the trial."
Alternatives: "provided since the" or "given since the".
Only several hundred of the tests have been administered since, the officials said, because there is a limited supply of the antibodies needed for the test.
The Serbs refuse to admit that Slobodan Milosevic's repression of the ethnically Albanian majority lost them Kosovo, which has been administered since the NATO intervention in 1999 by the United Nations.
Extraordinary revenues had been administered since the 1350s in districts (élections), whose numbers had vastly increased since the time of Charles V. The élections were now subordinated to four regional généralités, corresponding to the offices of treasury.
In Angola, BCG has been administered since the 1970s.
Over 500 million doses have been administered since the vaccine was first developed in 1937.
The primary endpoint was the total number of allogeneic blood components administered since the MTP activation.
A pre-test was not administered since this may have altered the result of the end of rotation questionnaires due to the potential ability of students being aware of the questions based on the pre-test.
But whether in the United States, Europe, or elsewhere, the big doses of monetary stimulus of the sort the Fed has been administering since the global financial crisis erupted five years can go only so far in healing sick economies.
Moreover, as compared to other methods like observation or TAPs they are easy to administer since the raters who might refuse to be observed while they are at work or decline to verbalise their thoughts while evaluating essays agreed to be interviewed.
Local experience brought by members of the group totalled tens of thousands of doses of dTpa/dTpa-IPV administered since 2003 and the general perception of tolerability by health care providers was "good" and better than the previous DTPa and "good" for the user.
It has been offered annually since 1932 (and sporadically before that) as part of a grueling, multiday affair that, in one form or another, has been administered since 1878 and has been called the hardest exam in the world.
