People with government-issued coronavirus immunity cards can now go indoors to restaurants, theatres, cinemas, spas, gyms and other recreational venues.
Critics have decried the reform as a theft of public funds and a takeover of Hungary's higher education system by Prime Minister Viktor Orban.
"The rainbow stripes are undoubtedly very irritating to the vandals," its creator told Euronews
"The best joke on Orban is to turn him into an undercover agent of European integration," writes Romanian MEP Dragoș Tudorache.
Opposition mayors in Eastern Europe are raising their voices against corruption and populism. We take a look at Hungary where they're accusing the central government of deliberate financial cuts to opposition-led municipalities.
Slovakia signed a deal to acquire 2 million doses of Russia's Sputnik V vaccine even though it has not received approval from the EU regulator.
The Pest County Rescue Research Service, which helps everyone from lost hikers to people under rubble after an earthquake, has seen a drop in donations.