Two more people in the Netherlands were diagnosed with the Covid-19 strain of coronavirus on Saturday. The wife and daughter of the country's first coronavirus patient tested positive, according to health agency RIVM.

It brings the total number of patients in the Netherlands to six. The public health service GGD is working to determine who the new patients came in contact with recently, and are screening those people for the virus.

The woman and child were already in quarantine at their home while their test results were pending. The man, from Loon op Zand, Noord-Brabant, went to a hospital in Tilburg on Wednesday with respiratory complaints. He has remained in isolation at the hospital since.

Four patients tested positive on Saturday in total. Earlier in the day the husband and youngest son of an Amsterdam woman tested positive. Their two other children tested negative.

Her infection was known to authorities and revealed to the public on Friday. They are in home quarantine in Diemen-Noord.

The national government launched a helpline that Netherlands residents can call with questions about the coronavirus. The number is 0800-1351.