Only one test on entry for persons who are vaccinated or recovered
After consulting the cantons, the Federal Council has also adapted the testing regime for entering the country, applicable from Monday, 20 December. In addition to PCR tests taken within the previous 72 hours, rapid antigen tests taken within the previous 24 hours will also be accepted for entering Switzerland. The requirement to take a second test 4 to 7 days after entering the country will be waived for persons who are vaccinated or have recovered from COVID-19.
Also of note, 2G for restaurants and 2G+ for bars.
See full press release here: