Not true regarding influenza virus is -a) All types exhibit antigenic shiftb) Only type A shows antigenic driftc) Drift is accumulation of point mutationsd) None of the above

Social & Preventive Medicine

Not true regarding influenza virus is -a) All types exhibit antigenic shiftb) Only type A shows antigenic driftc) Drift is accumulation of point mutationsd) None of the above

A study is to be conducted with regards to the fat content…

'There has been a gradual increase in number of non-communicable disease cases…

All of the following are done to remove Confounding except