With Covid-19 cases down sharply from January’s peak, art institutions from the Smithsonian to the Seattle Art Museum are no longer requiring visitors to mask up

Chinese artist and activist says society does not have the right to make the Covid-19 vaccine compulsory

Non-EU visitors will have to apply for Swiss Covid-19 certificate before attending and, with certain vaccines not recognised, some will have to take tests onsite

Mayor’s order will be enforced starting on 13 September after a public education campaign

Some US and European galleries at events such as Photo London in September had threatened to drop out due to added cost of isolating in hotels