Sentence examples for several serotypes from inspiring English sources

One such passenger is dengue virus (DENV), which infects up to 400 million people each year and comes in several serotypes (1 to 4) and disease presentations from mild infection to severe disease and sometimes death.

Several serotypes have been described from which at least five are pathogenic to humans.

Several serotypes of the neurotoxin moiety alone have been prepared recombinantly using Escherichia coli, which exhibit optimal neuroparalysis.

For PPV, antibody levels to several serotypes decline to pre-vaccination values within 5 10 years corresponding to a decline of protection.

Several serotypes of enterovirus which possess the potential to cause neurological disorders are not easily isolated in the cell culture systems used for the AFP diagnosis.

In contrast, the 22F inhibition ELISA seropositivity (% ≥ 0.20 μg/ml threshold) overestimated (19F) or underestimated (6B, 23F, 6A) IPD effectiveness for several serotypes.

Several serotype 2 variant (II:3,4,7,8) isolates had greater genetic distance from other serotype 2 isolates.

Several serotype 1 strains of varying virulence have emerged, as reviewed by [ 3].

Furthermore, this study identified oacB gene in several serotype 7a isolates from various regions providing evidence of O-acetyl modification in serotype 7a.

Several serotype converting phages have previously been isolated and characterized, however, attempts to isolate a serotype converting phage which encodes the modification genes of serotypes 4a strain have not been successful.

Additionally, this study also identified oacB gene in several serotype 7a isolates from various geographical regions, suggesting that the 3/4-O-acetylation modification is not uncommon in serotype 7a of S. flexneri.