PMC:7797241 / 12126-12371 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T78","span":{"begin":0,"end":245},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We assume the population is stratified into predefined age groups with age-specific mixing pattern represented by a contact matrix M with an element of mij representing the contacts between someone of age group i∈G with someone of age group j∈G."}