"alerted about" is correct and usable in written English.
You can use it when talking about a notice that has been given to someone. For example: "I was alerted about the change in company policy by my manager."
Mr. DiFulco said Port Authority police officers were alerted about 10 30 p.m. that three people had made their way into an area adjacent to an active runway.
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Previously, only the heads of local terrorism task forces were alerted about such travel.
Aircraft around the United States were alerted about the incident, a federal official said.
The Strategic Command was first alerted about the issue in mid-July.
Male said he was alerted about the matter by a concerned person.
The department said that once alerted about the violations, restaurant officials agreed to pay the back wages.
Registration is now full, but you can email [email protected] to be alerted about any open seats that do open up.
In any case, U.S. employers need to be alerted about a sudden drop in productivity that will occur at noon E.S.T. on Thursday, when the game kicks off.
A spokesman for Mr. Lander's office said the city Transportation Department had not yet been consulted about a possible plan, though they were alerted about the announcement.
Physicians need to be alerted about the importance of these issues, and they should make every possible effort to interpret critically the medical literature on which they rely to guide and support their therapeutic decisions.
