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An unlikely 
 has revealed the pandemic 
 of children across the world - Santa's 
. A post office that answers mail it receives for Santa has described the concerns 
 have about COVID-19. The letters have the usual 
 for Christmas 
, but many have emotional outpourings that give an 
 into how the pandemic is troubling children. A writer at the post office who replies to the 
 said: "This year, we really feel their fears - for 
, their grandparents or their parents. It's what 
 emerges from their letters. And in every country."