USA-ban jóváhagyták a negyedik dózist:
	
	
		
			
				
					
						
					
				
			
			
				
					
						
							
						
					
					www.businessinsider.com
				
			
		
	
				
			Immunocompromised Americans who had a 3rd COVID-19 shot can now get a 4th, CDC says
Immunocompromised adults who had Pfizer or Moderna's two-dose COVID-19 vaccines, plus an additional shot, can now get a fourth, the CDC said.
				
	

					
				
					
				
	
	