PMC:7738161 / 33358-33572 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T229","span":{"begin":0,"end":214},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Modelling and forecasting based on reported cases faces challenges when testing is driven by clinical needs, testing capacities, and other constraints (and in particular is not designed to test population samples)."}