{"id":10194,"date":"2018-10-05T14:13:39","date_gmt":"2018-10-05T21:13:39","guid":{"rendered":"http:\/\/blogs.oregonstate.edu\/impact\/?p=10194"},"modified":"2018-11-02T15:01:59","modified_gmt":"2018-11-02T22:01:59","slug":"cities-population-transportation-patterns-affect-how-flu-epidemics-play-out","status":"publish","type":"post","link":"https:\/\/dev.blogs.oregonstate.edu\/impact\/2018\/10\/cities-population-transportation-patterns-affect-how-flu-epidemics-play-out\/","title":{"rendered":"Cities\u2019 population, transportation patterns affect how flu epidemics play out"},"content":{"rendered":"

\"\"The more people a city has and the more organized its residents\u2019 movement patterns, the longer its flu season is apt to last, according to population biologist Benjamin Dalziel.<\/p>\n

The findings, published today in Science<\/a>, are an important step toward predicting outbreak trends for a viral infection that each year in the United States sickens millions of people, sends hundreds of thousands to the hospital and kills tens of thousands.<\/p>\n

Dalziel, the corresponding author of the new study, worked with an international collaboration to analyze weekly flu incidence data from 603 cities of varying size and \u201cstructure\u201d \u2013 that is, patterns people follow in where they live and work.<\/p>\n

The other factor the researchers looked at was the role a key weather metric \u2013 specific humidity \u2013 played in flu epidemics.<\/p>\n

Flu is transmitted by virus-bearing moisture droplets that people exhale, cough out or sneeze out, creating a \u201ccloud of risk\u201d that emanates from an infected person and is breathed in by those around him or her.<\/p>\n

\u201cAs specific humidity decreases, the virus remains viable in the air for longer, effectively expanding that cloud,\u201d Dalziel said. \u201cHowever, if an infected person is right beside you, it matters less what the specific humidity is.\u201d<\/p>\n

Which is where city size and structure come in \u2013 if there are lots of people, and transportation patterns frequently draw them together, it helps flu viruses find new hosts even when climatic conditions aren\u2019t at their most favorable for transmission.<\/p>\n

For the full story, click here.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

The more people a city has and the more organized its residents\u2019 movement patterns, the longer its flu season is apt to last.<\/p>\n","protected":false},"author":8299,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[643004,1507,641038,523],"tags":[712392,709515,1733],"class_list":["post-10194","post","type-post","status-publish","format-standard","hentry","category-big-data","category-faculty-and-staff","category-ib","category-research","tag-author-katharine-de-baun","tag-bioinformatics","tag-healthy-people"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p6vHeb-2Eq","jetpack-related-posts":[{"id":6813,"url":"https:\/\/dev.blogs.oregonstate.edu\/impact\/2017\/05\/da-vinci-days-will-feature-fascinating-talks-science-mathematics-arts\/","url_meta":{"origin":10194,"position":0},"title":"Da 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