Sentence examples for viruses strains from inspiring English sources

T-tropic isolates, or syncytia-inducing (SI; now called X4 viruses ) strains replicate in primary CD4+ T cells as well as in macrophages and use the α-chemokine receptor, CXCR4, for entry.

The latest of such viruses, strains of subtype H5N1, have rapidly spread among domestic bird species across several continents and caused disease in >330 humans since 2003 (2 ).

Influenza vaccines are mostly inactivated vaccines, composed of three influenza viruses strains selected annually on the basis of epidemiological data by annual WHO recommendations, two influenza A and one B virus.

British researchers gave blood tests to 184 people over 65 to establish whether they had antibodies to influenza virus strains.

Some vaccines were made from H5N2 virus strains, and their ability to protect against H5N1 may have faded.

It showed that some I.S.A. virus strains in Chile diverged from Norwegian strains around 1996.

The figure was 28 out of 30 patients with two other virus strains.

"But at the point of transmission, you're only exposed so a few virus strains.

For the past five years, Dr. Bucher's laboratory has provided seed stock for one of the virus strains included in the seasonal flu vaccine used all over the world.

That is because of the length of time needed to grow the chosen virus strains in eggs and then manufacture huge quantities of the vaccine.

The vaccine for the 2015 16 season in the northern hemisphere includes H1N1, H3N2 and B virus strains – closely related to those circulating among people.