PT - JOURNAL ARTICLE AU - Linda de Vries AU - Marion Koopmans AU - Alec Morton AU - Pieter van Baal TI - The economics of improving global infectious disease surveillance AID - 10.1136/bmjgh-2021-006597 DP - 2021 Sep 01 TA - BMJ Global Health PG - e006597 VI - 6 IP - 9 4099 - http://gh.bmj.com/content/6/9/e006597.short 4100 - http://gh.bmj.com/content/6/9/e006597.full SO - BMJ Global Health2021 Sep 01; 6