Sentence examples for circulation of virus from inspiring English sources

In another approximately 25% of iterations, no cases occur despite circulation of virus for approximately 1 year.

Prepandemic circulation of virus (H1N1) in early 1918 could have caused at least some circumscribed outbreaks that elicited protection.

This late circulation of virus might be surprising because biting midges of the genus Culicoides, which reportedly transmit SBV (4 ), are not usually active during cold months.

The vole population consequently peaks the following year and stimulates an increased circulation of virus, which leads to outbreaks of human disease.

Birds sold at LPMs can originate from many regions of a country; thus, conducting surveillance for subtype H5N1 virus at these markets would probably be an effective way to monitor the circulation of virus within a country (7, 9, 10 ).

Retrospectively, serologic results suggest that the epidemic ended during the autumn of 1998, probably because further major circulation of virus was greatly reduced by the effect of the low temperature on the population density of mosquitoes.

So far, circulation of viruses from both the Eastern and Southern clusters of influenza H7N9 is restricted to avian hosts.

This study provides unique data on the circulation of viruses associated with upper respiratory tract infections in Gabon.

However, following the introduction of vaccination, the circulation of viruses may become more episodic, and those missed by vaccination may continue to remain susceptible and begin to accumulate.

Surveillance of influenza-like illness (ILI) in Central Africa began only recently, and few data are therefore available on the circulation of influenza virus and other respiratory viruses.

Co-circulation of viruses with different drug resistance profiles in humans poses a threat of emergence of viruses resistant to both oseltamivir and adamantanes [35].