Why it is not necessary to ignore opportunity free of charge to take root

Inoculative campaign against flu started. Why it is not necessary to ignore opportunity free of charge to take root and whether physicians do it? About it "The Russian newspaper" "Yes, the other day I already writes Rossiyskaya gazeta reported. - I hope, it will help me not to catch flu this winter or, at least, will reduce weight of a disease if I nevertheless fall ill. In most cases the inoculation works". Kagan Mikhail says that there is a special reason for an inoculation this year. "After the last three winter seasons, in two of which...