The phrase "a warning to avoid" is correct and usable in written English.
You can use it when you want to indicate that something should be avoided due to potential negative consequences or dangers.
Example: "The label on the product included a warning to avoid contact with skin to prevent irritation."
Alternatives: "a caution against" or "a notice to steer clear of".
Some think it serves as a warning to avoid mosquitoes.
Mr. Mintz interpreted that as a warning to avoid tangling with Mr. Skilling over the partnerships, he said.
If there is a traffic-snarling crash on the route, the person could receive a cell phone message as a warning to avoid it.
According to First Call/ Thompson Financial, which tracks company earnings, it has been many months since any analyst has rated Goodyear shares any higher than "hold" -- a rating that investors generally interpret as a warning to avoid a stock.
I have heard numerous reports in the media where they make mention of the "live flu virus" in the flu vaccine, specifically "flu-mist". This is mentioned in conjunction with a warning to avoid contact with this and that (yadda, yadda) for a certain time period.
The message urged American expatriates to heed a Jan . 2advisory issued by the State Department that broadened a warning to avoid travel to Benghazi to include many other parts of Libya because of the lawlessness and instability that have troubled the country since the overthrow of Col. Muammar el-Qaddafi more than a year ago.
The gold 2000 Mini Knightsbridge arrived with a four-speed manual transmission and a strong warning to avoid potholes.
The bus from Hiyori Kindergarten in Ishinomaki City, which lost nearly 6,000 residents in the disaster, took a seaside road to ferry 12 children home, after a tsunami warning to avoid coastal areas had been issued.
Note: any reference to The League of Extraordinary Gentlemen must come with a health warning to avoid the film version at all costs.
Migrant workers from Central Asia have been targets of violence on past Paratrooper Days, and the Federation of Migrants of Russia issued a public warning to avoid parks, train stations and commuter trains, and anywhere else paratroopers might be celebrating on Thursday.
His mother Aedesia, a relative of Syrianus, had been meant to marry Proclus (a student of Syrianus who succeeded him as head in 437), but Proclus received a divine warning to avoid the match.
