WHO guidelines on measles outbreak response suggest that reactive vaccination should be implemented as quickly as possible; at-risk groups and affected areas also should be considered as areas that are not yet affected but have high epidemic risk (1 ).
In an interview, Mr. Heston said the disease had not yet affected him.
The shortage has not yet affected salaries, deans of education said.
He stressed, however, that the country's growing insurgency had not yet affected foreigners.
But the increased competition from Google has not yet affected sales of the iPhone.
The shortfall in Italy this week, though significant, has not yet affected homes or factories.
Later, the drugs might be offered to people at risk but not yet affected.
News of the Aral's return has ignited the hope of many, even in villages not yet affected.
But retailers surveyed by Reuters last month said the stock market collapse had not yet affected revenue.
But the collapse of the old order had not yet affected serious businesspeople -- perhaps because they were closer to the center of that order.
Although steep cuts in the city's education budget have not yet affected him directly, he said, they are "sobering, to say the least".
