The phrase "affect only a tiny" is correct and usable in written English.
It can be used when discussing the impact or influence of something that is minimal or limited in scope.
Example: "The changes in policy will affect only a tiny fraction of the population."
Alternatives: "impact just a small" or "influence merely a tiny".
The tax increase would affect only a tiny fraction of small businesses with employees, despite the endless Republican claims that it would stifle job creation.
Even if these inaccurate findings affect only a tiny percentage of the more than 200 million adults who would undergo such exams, the monetary, practical, and emotional costs are huge.
The present law doesn't allow assisted deaths and Lord Falconer's bill to change this, if passed, would affect only a tiny number of people: those with a terminal illness, of sound mind and with less than six months to live.
On its own, Mr. Obama's decision will affect only a tiny sliver of American imports from China, which is now the United States' second-largest trading partner and its biggest creditor.
Supporters say that the tax is needed to continue paying for services (it would be devoted to education and health care) and would affect only a tiny fraction of people while allowing taxes to be cut for everybody else.
He called the pilot program "a meaningless change that will affect only a tiny number of cases and will do nothing to fix the problem that in most misconduct cases, the department is simply dropping the case or imposing minor discipline long before any trial".
A return to the Victorian world of rentiers and laborers may seem like an outlandish scenario, but a generation ago it would have been difficult to imagine a White House, even a Republican one, phasing out the inheritance tax, which affects only a tiny minority of the richest families, and slashing the taxes on dividends and capital gains, which few middle-class families pay, either.
But the agency, in a statement to Guardian Australia, has strongly denied any suggestion the 2016 software bug compromised patient records, saying it affected only a tiny proportion of documents and did not leave My Health Records with missing or out-of-date information.
Occasionally, it is of outermost importance to avoid the destruction of an object which may imply that a technique like SIMS (in situ technique affecting only a very tiny surficial area) is recommendable.
