update IV

Summer session is going to end soon but my project is still running. Last week, after all those work done about figuring out what kind of model I am going to use for my project, I finally have it written done. It’s an SEIR model with 6 patches and seasonal forcing.

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presentation at the group meeting

yesterday was our group meeting and it was my turn to present a paper. The one I talked about is” seasonality and persistence and invasion of measles” written in 2007 by Andrew Conlan and Bryan Grenfell. This paperĀ is fairly close to my project because the data set im working on, measle reports from 60 cities in wales and england from 1944 to 1966, is also used in the paper. In addition, the CCS, critical community size, mentioned and analyzed in the paper is helpful for me to divide these data into 6 patches.

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back at wm

Finally got back to wm at the beginning of July, but the weather seems to be not that nice, really humid and hot. I started to work in the math and computational biology lab in McGlothlin Street since this Tuesday. By the way, though it is hot outside the building is as cold as winter time.

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conference trip

My research for this summer is mainly SEIR model. It is a biomath model describing how various kinds of diseases are spread among groups of people. The population is divided into 4 groups by this model, S is the susceptible group, E is exposed, I infected and R recovered.

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