PMC:7408073 / 81753-81933 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T401","span":{"begin":0,"end":180},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Seasonal cold is an annually recurring time period characterized by the prevalence of outbreaks of cold and the season occurs during the cold period of the year in each hemisphere."}