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			 This small move from April 12 by the mountain canton of Grisons on 
			the Italian border is emblematic of a broader global debate over 
			whether people who test negative or are vaccinated should enjoy more 
			freedoms. 
 To fly, people must already produce a negative test, while airlines 
			want vaccinated people to travel without restrictions.
 
 In Britain, Prime Minister Boris Johnson kicked off debate by 
			suggesting bars might restrict customers to those who can produce 
			so-called "Pub Passports" as proof of vaccination.
 
			
			 
			Grisons introduced its mask regulation for fifth and sixth graders 
			at schools in February, not long after employees of luxury hotels in 
			St. Moritz tested positive for virus variants.
 The canton has since been pushing mass testing, including in 
			schools, and said students in the 95 percent of participating 
			institutions that have participated should now be allowed to shed 
			masks.
 
			
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			 "The decision is based on the 
								positive influence of the cantonal test 
								strategy," Grisons said in a statement.
 "With the weekly testing in schools, we've had 
								access to an instrument that can quickly 
								identify COVID-19 cases and interrupt the chain 
								of infection."
 
 Other regions in Switzerland including in 
								Zurich, where schools are generally not mass 
								testing, are still requiring masks for fourth 
								grade and up.
 
 Grisons will continue to require masks for 
								teachers as well as students from the seventh 
								grade upwards.
 
 (Reporting by John Miller; Editing by Andrew 
								Cawthorne)
 
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