The German formula was released on January 17, 2020. The protocol developed by the United States Centers for Disease Control was not released until January 28, delaying the availability of tests in the United States. China and the United States had problems with the reliability of test kits early in the outbreak, and these countries, as well as Australia, were unable to provide enough kits to meet demand and recommendations screening health specialists.
Mwitikio wa Ujerumani ilichapishwa tarehe 17 Januari 2020; itifaki iliyotengenezwa na Kituo cha Udhibiti na Uzuiaji wa Magonjwa ya Marekani haikuwa inapatikana hadi 28 Januari, na kuchelewesha vipimo zilizopo huko Marekani.Uchina na Marekani zilikuwa na matatizo na ufanisi wa vifyaa vya kupima mwanzo wa mkurupuko, na nchi hizi na Australia hazingeweza kutoa vifaa vya kutosha kulingana na mahitaji na mapendekezo ya kupimwa na wataalam wa afya.