Sentence examples for pandemic date from inspiring English sources

The seasonal epidemics chosen for comparison with the 2009 H1N1 pandemic date back between 20 and 30 years, and patient care no doubt evolved between 1978 and 2009, possibly impacting the incidence rates of morbidity and mortality.

Although the first local newspaper reports referring to the pandemic date back to October 24, 1918, the pandemic virus may have circulated at low levels 1 3 months earlier, July September 1918, because all-age deaths from respiratory illness increased 31% above prepandemic baseline levels during this period.

The problem when influenza pandemic models are challenged with data about past pandemics is that the last pandemics date back so far that they are only of limited value as mobility patterns and contact structures changed vastly.

Over this range of reproductive numbers and mean serial intervals the pandemic commencement date in Victoria is postulated to be somewhere between 14 April (R = 1.4, MSI = 3.5) and 9 May (R = 1.6, MSI = 2.5).

The OSD listed progression of the pandemic by date, country, and region.

Among the limitations of the surveillance-based study, we should also mention the lack of collecting of the pandemic vaccination date.

Particularly, due to the availability of sequences taken from isolates since the beginning of the pandemic until date, we could monitor amino acid changes that occurred in the hemagglutinin (HA) as the virus spread worldwide and became the dominant H1N1 strain.

The principle of Original Antigenic Sin modified by the immunological response to glycosylation of antigenic sites throughout the evolution of circulating influenza viruses provides a consistent and arguably complete explanation for the age distribution of cases observed in the novel H1N1 pandemic to date.

Plague has caused three pandemics to date, which together killed about 200 million people.

Although vaccination is the most economically prudent public health intervention strategy against both seasonal and pandemic influenza, to date, clinical evaluation of H5N1 vaccine candidates indicate the need for alternative approaches that could enhance vaccine immunogenicity and better protection.

To date, pandemic (H1N1) 2009 has primarily infected humans, although transmission from infected humans to other animals, including pigs, turkeys, ferrets, cats, and dogs has been reported (4, 5 ).