Sentence examples for of low pathogenicity from inspiring English sources

Influenza infection of ostrich and emu can lead to the selection of PB2-E627K PB2-D701N701N mutands, and ratite-origin isolates of low pathogenicity can easily be converted to highly pathogenic avian influenza viruses in chickens.

This understanding has potential value, given devastation from the death or culling of millions of birds during 1 outbreak of highly pathogenic avian influenza (26 ), because surveillance provides information on genes of low pathogenicity avian influenza viruses that could recombine or mutate to produce high pathogenic avian influenza viruses (27 ).

Because influenza infection of ostrich and emu can lead to the selection of PB2-E267K PB2-D701N701N mutands and because ratite-origin influenza isolates of low pathogenicity can easily be converted to a highly pathogenic avian influenza virus in chickens, meticulous care must be taken to prevent the spread of nH7N9 to ostrich and other members of the Ratitae family.

Despite benefits of international sharing of avian influenza viruses, regardless of their pathogenicity, there is no standardized and comprehensive reporting requirement beyond highly pathogenic avian influenza virus and H5 and H7 subtypes of low pathogenicity avian influenza viruses, nor adequate reporting incentives.

Although domestic ducks do not usually display symptoms when they are infected with these viruses, they provide an environment for the reassortment of low pathogenicity avian influenza viruses, which can serve as progenitors of highly pathogenic avian influenza viruses (3 ).

We isolated a large number of low pathogenicity avian influenza A(H9N2) viruses and an increasing number of highly pathogenic avian influenza A(H5N1) viruses from apparently healthy birds in Bangladesh.

The respiratory tract of poultry and gastrointestinal tract of waterfowl are replication sites for AIVs, and poultry are incubators for the progression of low-pathogenicity avian influenza (LPAI) virus into highly pathogenic avian influenza (HPAI) virus (4 – 6 ), usually through the acquisition of polybasic amino acids at the HA cleavage site.

In the March incident, CDC sent a sample of low-pathogenicity H9N2 bird flu virus that a lab had unknowingly contaminated with H5N1 to a U.S. Department of Agriculture USDAA) lab, which discovered the mistake when test chickens died.

► Last month, Science's news department reported an incident in March in which the U.S. Centers for Disease Control and Prevention CDCC) sent the U.S. Department of Agriculture a sample of low-pathogenicity H9N2 avian influenza that was contaminated by deadly H5N1 avian influenza strain.

Excluded were the isolation of low-pathogenicity organisms from blood culture (for example, coagulase-negative Staphylococcus).

The epidemiology of low-pathogenicity viruses such as H6N1 across Asia is largely unknown.