PMC:7551987 / 10811-11015 JSONTXT

{"project":"2_test","denotations":[{"id":"32971954-23333764-143921954","span":{"begin":123,"end":125},"obj":"23333764"},{"id":"32971954-23348785-143921955","span":{"begin":126,"end":128},"obj":"23348785"},{"id":"32971954-30642334-143921956","span":{"begin":129,"end":131},"obj":"30642334"}],"text":" have both indirect and direct routes of transmission, it can be very difficult to conclude that one route is predominant [29,30,31]. (1) dSdt=μN−S−βAA+βIIN+βWWS (2) dEdt=βAA+βIIN+βWWS−ε+μE (3) dAdt=εE−ω+"}