COVID-19(6) subject(4) COVID-19 pandemic(3) Exaptation(3) events(3) Critical(3) Collaborative effort(3) Drawing(3) organization(3) Medical innovation(3) contribute(3) Innovation(3) addition(3) healthcare(3) debatable(3) China(2) highlight(2) while(2) statistical(1) Contact tracing(1) restrict(1) close contact(1) Population mobility(1) control variables(1) resource(1) Small entrepreneurs(1) urgency(1) resources(1) pandemic(1) lack(1)