H1N1 mnemonics

In H1N1, antibodies to 'N' modifies iNfection ( and antibodies to 'H' neutralises the virus - 'H' Hits Virus . Remember HiV)

Antibodies to this virus:

• appears in 1 week
  

• reaches maximum level in 2 weeks
  

• drop to pre-infection levels in 2-3 months
  
  (Remember 1, 2, 3 )