Sentence examples for virus circulated from inspiring English sources

A few years ago, 39 substrains of the polio virus circulated; now only two do.

Other studies have found that the virus circulated in densely populated neighbourhoods across the city affecting rich and poor alike.

In the early days of the epidemic, many officials were accused of staying silent or complacent too long while the virus circulated widely in the gay community.

It could be suggested that an early epidemiological connection between the three countries may exist or that the virus circulated undetected in that area for some time.

The virological evidence suggests that the virus circulated for over two years in Haiti, and for around nine months in the DR. In Haiti, response, surveillance and virological data suggest that case ascertainment may have been as low as 20%, which is also consistent with fewer reported cases over a longer time period.

This virus circulated only in the Northern Hemisphere for 1 season.

The predominant influenza virus circulating this winter is influenza A/H1N1.

There are two new groups of H3N2 virus circulating in the world now, not one.

They also carry the Aids virus circulating in the bodies of the drivers and their assistants.

And, with so many different strains of virus circulating, you are usually an open target.

There's currently a particularly interesting slimeball virus circulating the length and breadth of the land.