The World Health Organisation has not declared a Public Health Emergency of International Concern (PHEIC) and it does not recommend any travel or trade restrictions.
Nid yw Sefydliad Iechyd y Byd wedi datgan Argyfwng Iechyd y Cyhoedd sy'n Destun Pryder Rhyngwladol ac nid yw'n argymell unrhyw gyfyngiadau ar deithio nac ar fasnach.