requested, but the lab made a mistake, so when we got here -- >> we had to do another one. >> and it was very expensive. for the three of us, it cost almost $600 just to get another covid test. >> reporter: and travelers can also expect in some major international hubs like jfk or in atlanta to see increased bio surveillance. that means that an organization called express check is going to be working with the cdc to sample some particular passengers coming out of some international locations to get their swabs, and to start looking for this new variant or potentially other variants to come in the coming weeks and months. and so in addition to that surveillance, people will see at major international hubs, people really need to plan around these new tests. >> all right. antonia hilton there at loud jfk. thank you. let me bring in a doctor as