PMC:7039910 / 22146-22326 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T7","span":{"begin":89,"end":93},"obj":"Chemical"},{"id":"T8","span":{"begin":144,"end":148},"obj":"Chemical"}],"attributes":[{"id":"A7","pred":"chebi_id","subj":"T7","obj":"http://purl.obolibrary.org/obo/CHEBI_10545"},{"id":"A8","pred":"chebi_id","subj":"T8","obj":"http://purl.obolibrary.org/obo/CHEBI_10545"}],"text":"demargin}{-69pt} \t\t\t\t\\begin{document}$$\\begin{array}{l}{\\mathrm{d}}S/{\\mathrm{d}}t = - {\\beta}\\,{S}\\,{I}/{N},\\\\ {\\mathrm{d}}E/{\\mathrm{d}}t = {\\beta}\\,{S}\\,{I}/{N} - {\\sigma}\\,{E},"}