Why a need to do injections for childrens on a cold season?

As a doctors talking about for saving against cold, flu, infections for breath, lung a needing doing injections or vaccinations, as onion,garlic, anti-virus drugs will not save children s organism, and on injection time for organism entering weaken virus flue , they are not causing diseases,but immunity will form antibodies, which  late save children with an own forces of immunity,but they are forming not right away, and a needing a few time to create theirs,and therefore injections doing before epidemy, not on the, in two years anti bodies are breaking, and protection is weakening, thus her doing repeatedly,and avoiding to do her in allergy on eggs white egg, as injection causing allergy, and bad reaction having on before injections, and on an injection day is having cold or infections, as acute of chronic  damage, therefore to wait till a damage transfer in remission, or all will disappear symptoms,and many of cases are having for avoiding, but your doctor know they are.
And why to do injection every year, as latest injection will not save a children, and with a time, antibodies loosing forces and immunity is lowering, and flue of virus every year is changing, and latest vaccinations are aging, and do not work against a new, modified viruses,and every injection having an own peculiarity, and very good saving is Grippol for effectivity care giving, as her doing at home, schools, kinder gardens, and import vaccinations are forming many of steps cleanings, and side effects as headache, temperature high, redness,rash are poor having, but they are cost very high price, and in using non-vital vaccinations as Influvac, Agrippol is level care is less, but a non-dangerous is bigger, and her doing pregnancy women's, feeding, and for childrens these inactive vaccinations entering since 6 months, and very save injection having Waxi flue, and reactions are having as common and local. Local are having in a place for her entering,redness as as on second day having, and in a three days passing away, and common reactions are high temp till 38C, lowering appetite, indisposition, and do not worry these symptoms, this means,that injection works. And if temperature is raising more,than 28C and children feeling weakness,edema, ache and place on injection side,thus these are a not good, asking a doctor right away, and what does a care from infection? 
These are anti-virus drugs as arbidol, rimantadine, viferon, kipferon, grippferon, where are killing agents of disease, and therefore drugs are having indications and contraindications,therefore consulting always with a doctor. And homeopathic drugs as aflubin, antigrippin Agri, ocillococinum also having protecting effect,vitamins As C are raising a natural anti-virus protection. Immuno stimulating remedies as immunal, echinacea infusion, ginseng, schizandra are stimulating effecting and helping fighting infections.
And from herbs are good anti-virus as garlic, radish, lemon are using since one month till virus season, for immunity forming ,strengthening a care mechanism, and on infection time spreading as from these drugs as natural origin you are also using.