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I have here in the office a typical New York City father with the nine questions that people are asking us about the saw back scene about the first one first question is is the fog vaccine safe and the answer that yes we have every assurance now that it is we have had remember over six million children an ocular rated so far this year with no ill results. Can injections of thought vaccine give people polio you know the saw back scene is an inactivated killed vaccine it gets in the body it can't multiply in the body so the answer that one is no. Well then can a person get polio after he's had shots. Yeah as I think you'd have to say yes to that one other reason remember that they saw faxing works is that it is. Substances introduced into the body and it causes the body to make what we call add a body that takes a while to do so that if the vaccine has been given after the person has been. Then to contact with a case that is if it's been given too late or if that happens that the person is one of those thirty percent of the people who just never react to the vaccine it hasn't worked and so a person can get polio even if they've had the vaccine. Does the first shot itself protect against paralytic only does this is what we've learned this year of course you need three shots for really very sound protection. If the second shot is delayed will it be effective when given later on yes it will it acts as a kind of a shot that makes you produce more vaccine the third one ought to be given some months later and gives even more protection should people who have had polio be vaccinated there are three types of the polio virus so that if you've had polio you may have had one type of the virus and not have the protection against the other two types of the virus and this is the reason why we suggest that ultimately. Everybody get their polio shots course right now we wouldn't suggest that somebody's trying to go out and get polio vaccine if they've already had polio on aren't in the most susceptible group. The spa Leo develop immediately after exposure to a case of polio Well it varies about an average of two week usually goes by before the person has signs of the disease it's pretty important incidentally to remember I think that moment most of us of had polio at some time or other we've had a mild disease it isn't even recognized as polio it's only the youngster that has the virus at a grown up that has a virus that enters these nervous system and yet some paralysis that we diagnosis as polio how good the results so far this year while of course the national figures aren't out yet they're going to take a while to come out for the plain and simple reason that the polio its season isn't over shad on the other hand if we study the rates in all of the different states and that's what we're doing right along here in the health department we find that in every place the vaccinated children have the edge over the unvaccinated children in other words the. Vaccine there are more cases more paralytic cases among the on vaccinated children than in the vaccinated children here in New York City our figures show almost three times as many paralytic cases among the UN vaccinated as a vaccinated to put it in other words the vaccinated children were run one third the risk.