Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
        
             
        
        
        
Answer:
I can only see the very first one and it only needs a rotation. Can you add pics of the others. 
Explanation:
 
        
                    
             
        
        
        
The lymph nodes are the lymphoid organs that serve in immune surveillance and in filtering lymph. They <span>are found in the neck, armpits, and groin areas. If a lymph node is swollen it means that there is an infection or injury.If you notice swollen lymph node you should see your doctor.</span>