The extensive involvement of the liver due to hydatid cyst and it's invasion to the portal vein and resulted portal vein thrombosis are rare complications of hydatid cyst. The diagnosis and treatment of hydatid liver cyst and its rare complication such as thrombosis in infected patients should be critically considered.

The present study aimed to present two cases with a history of hyperthyroidism who had symptoms of a thyroid storm along with COVID-19 infection. Therefore, the diagnosis and treatment of these special cases along with COVID-19 should be considered important.