Getting a certificate first, which must then be verified, is a risky approach, says Thomas Wahlberg, head of Infectious Disease Control in Västra Götaland.

- It can be difficult to get hold of the person, the sampling may be wrong or the sample will not arrive for analysis.

Then it has been confirmed from the beginning that something is negative without having any confirmation that it has been analyzed, he says. 

Police: "Not reasonable"

The border police are also skeptical of Askimskliniken's procedure.

- It can not be reasonable that this is how it should work, says Mikael Holmgren who is deputy head of the border police in region West.

The border police themselves order covid-19 certificates for people who are to return to their home countries.

Then they only get the certificates when the test result is ready.

- If you really want to go to Germany and your family is there and it is an important trip, then there is a risk that it will be abused, absolutely, says Mikael Holmgren.

The doctor at the clinic defends himself by saying that there is a verbal agreement not to use the certificate if it shows positive? 

- It is certainly perfectly okay legally, but it puts the staff from the airlines who have to check the certificates in a very strange place when the working method is based on everyone being 100 percent honest.

It is also very important that we do not spread infection, says Mikael Holmgren.

"Will fix it"

The doctor Thomas Westin at Askimskliniken says that the certificates may not be used without a text message, which confirms that the person does not have covid-19.

He also says that not a single one of the quick tests he has taken on his customers has shown positive results.

Therefore, he believes that no damage has occurred.

But after SVT reported that the approach violates the National Board of Health and Welfare's regulations according to the Swedish Health and Care Inspectorate, he backs off.

- In that case, I have made a mistake and then I will correct it, he says.

SVT reveals: Doctors issued negative covid certificates - before the samples were analyzed