The phrase "already widely reported" is correct and usable in written English.
It can be used to indicate that information has been disseminated or covered extensively by various sources prior to the current discussion.
Example: "The findings of the study are already widely reported in several scientific journals."
Alternatives: "previously extensively covered" or "already extensively documented".
As already widely reported, David Cameron was in relaxed-but-sharp Christmas form at today's Westminster press gallery lunch.
At the time the Edwards campaign took on Mr. Lerach as a fund-raiser, it was already widely reported that Mr. Lerach, who left Milberg Weiss in 2004, was one of the unnamed co-conspirators cited in court documents related to the firm's indictment.
"Two followers of Islamic State attacked several days ago a centre in San Bernardino in California, opening fire inside the centre, leading to the deaths of 14 people and wounding more than 20 others" the group's daily broadcast al-Bayan said, giving information already widely reported.
I'm not talking here, either, about the already widely reported problem where the 'breakout box' you get with Sony's PSVR system doesn't support the High Dynamic Range (HDR) signals now output by both the original PS4 and the new PS4 Pro.
All we know for sure is a woman called Tami Reller, Microsoft's chief marketing and financial officer, has clearly had a busy time briefing journalists in the past day or two - and some of those journalists have seized on this contact as an opportunity to repeat and amplify already widely reported whispers that Windows 8 has got off to a less than stratospheric start.
A PowerPoint of the already widely reported community meeting is available at Metro.
First, the interrogation techniques described in these memos have already been widely reported.
One previous rape charge against Yadav had already been widely reported, prompting criticism of both local authorities and Uber.
It had already been widely reported that Rex Tillerson, the Secretary of State, called the President "a fucking moron".
Many of the details of the couple's private life had already been widely reported in previous stories.
Details of the supposed affair have already been widely reported in Scottish, US and other foreign newspapers, beyond the jurisdiction of the courts of England and Wales.
