COVID-19 kula shafi idanu da baza na coronavirus cuta domin tsayar da alamu na cuta ci gaban. Hukumar Lafiya ta Duniya (WHO) ta ba da shawarar sanya ido sosai, tare da mai da hankali kan gano harka, gwaji da tuntuɓar juna a duk yanayin watsawa. Ana sa ran sa ido kan COVID-19 don sa ido kan abubuwan da ke faruwa a cikin annoba, gano sabbin maganganu cikin sauri, kuma bisa ga wannan bayanin, samar da bayanan cututtukan cuta don gudanar da kimanta haɗari da jagorar shirye-shiryen cutar. Ana yin sa ido kan cutar sankara bisa alamun mutumin da ya yi daidai da COVID-19. Tun daga Maris 2020, WHO ta ba da shawarar fayyace ma'anoni masu zuwa: Shari'ar da ake zargin : "marar lafiya da ke fama da matsanancin rashin lafiya na numfashi (zazzabi da aƙalla alama ɗaya / alamar cututtukan numfashi, misali tari, gajeriyar numfashi), da tarihin balaguro zuwa ko zama a wurin da ke ba da rahoton watsawar al'umma na COVID-19 a cikin kwanaki 14 kafin bayyanar cututtuka" KO "majiyyaci da kowane irin rashin lafiya na numfashi kuma ya kasance yana hulɗa da wani tabbataccen ko mai yiwuwa COVID-19 a cikin kwanaki 14 da suka gabata kafin bayyanar alamar" KO "majiyyaci mai tsananin numfashi rashin lafiya (zazzabi da aƙalla alamar / alamar cututtuka na numfashi, misali tari, rashin ƙarfi na numfashi; da kuma buƙatar asibiti) da kuma idan babu wani madadin ganewar asali wanda ya bayyana cikakken bayanin asibiti."