गगा टिकाया बोसोरे सोलायो , भाइरासफोरनि सोलायनायनि सायाव सोनारनानै आरो गोबां फाहामगिरिफोरा बेनि गोनांथिखौ सन्देह खालामो , मानोना बेयो , देहा होबथाफोरा ( antibodies ) सोलोबायथानाय गोहोनि बेरेखायै बेनि दिहुनथायाव बाहायजादोंल ना बाहायजायाखैयाव सोनारो ।
Influenza vaccine changes from year to year depending on the changing viruses and many doctors doubt it s efficacy as it depends on whether the anti bodies against the prevalent strain have been used in it s manufacture .