A new version of the coronavirus is circulating, as discovered by Brandon Hartley, who recently tested positive after experiencing symptoms. Hartley, who had previously avoided the virus until October 2022 and is vaccinated, expressed surprise at contracting it in June 2025.

Hartley suspects he was exposed at a Flaming Lips concert in Utrecht, on a train, or while shopping at Albert Heijn. He researched the NB.1.8.1 variant, also known as Nimbus, noting that the RIVM publishes weekly reports on such variants.

The positive test led Hartley and his partner to cancel their Pinksteren weekend plans and isolate at home. He described feeling lethargic and grumpy during his isolation, comparing his mood to “an elderly Dutchman who has walked into a Hema cafe and found out they just sold their last rookworst.” To pass the time, he engaged in activities such as watching TV and playing PC games.

Hartley has been in contact with individuals in the Netherlands, Europe, and America, many of whom reported others experiencing what they initially believed were common colds. One friend, for example, tested positive for the coronavirus after initially thinking he had the flu.

Hartley advises individuals experiencing symptoms to get tested for the coronavirus. Tests are readily available at pharmacies such as Etos and other locations. As he is still testing positive, he plans to remain in isolation for several more days.