The Medical Letter on Drugs and Therapeutics
				
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ISSUE 1321
    
   			ISSUE 1321
September 21, 2009
                			
                		 Issue 1321
                		
            		
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				Seasonal Trivalent Influenza Vaccine for 2009-2010
September 21, 2009 (Issue: 1321)
				Two separate influenza vaccines will be available this season: the usual seasonal trivalent vaccine and a monovalent vaccine (not yet licensed by the FDA) directed at the novel H1N1 virus currently causing pandemic infection. The next issue of the...more
        			
        			
				
				
        			
				The Medical Letter is a subscriber-funded nonprofit organization that publishes critical appraisals of new prescription drugs and comparative reviews of drugs for common diseases.
				