Because there are so many strains, it is hard to pin point which strain needs to be treated.
        
                    
             
        
        
        
Explanation:
 a wavelength is calculated by determining the distance between corresponding points on consecutive waves. Normally this is done by measuring from peak to peak or from trough to trough. When it comes to light, you can only see wavelengths of 400 to 700 billionths of a meter.
 
        
             
        
        
        
MRNA it is the messenger, for it "feeds" information