dr. holly phillips p wcbs tv.ind of doctors are we talking about. >> >> basically there were hundreds of thousands of reaction there is kids especially under age five that were serious enough to need to go to the e.r. that includes allergic reaction, stomach and i can, rashes, diarrhea. we're not dealing with deaths, but severe allergic reaction. >> and from what kind of medications? >> antibiotics especially the penicillin based. but there were side effects to all of the medications. so it's really important to talk to your child's doctor about what side effects to expect and especially monitor them when they're having a medication for the first time. >> and this includes not just prescription over the counter, as well? >> the study didn't look at over the counter drug, but it's also very important to monitor them with that. >> i know that unintentional overdose was also a big problem in the study. how do you avoid that? >> really the unintentional overdoses is most likely to happen with liquid medications becaus

dr. holly phillips explains. >> it's the regular safety program that we have as i like to say. >> reporter the government hopes that the monitoring will detect any rare but real problems quickly. scientists will use vaccine registries and insurance databases to see if someone sees a doctor and why after getting a shot. the cdc will look for a rare paralyzing condition. during the 1976 mass inoculations, 500 cases were reported. it has never been droven but the vaccine caused the disorder. at johns hopkins, researchers will send surveys to 100,000 people to see how they feel after receiving the vaccine. the cdc will have cards on how to report side-effects to the reporting web site. experts say extra monitoring could identify subsequent problems that are just coincidences. >> and some persons with ill raise questions about whether their event was precipitated by the vaccine. that's what this is designed to investigate. >> and go to www.wjz.com for complete coverage and information from the cdc. >>> and the fight in prostate cancer is getting strength and our commitment. hundreds came out to

dr. holly phillips. good morning. i know plenty of parents of girls who aren't sure about giving this vaccine because of the potential risks. so what is the best argument that a doctor could make for giving it to boys who aren't even at risk for cervical cancer? >> there are three reasons. the first is that the vaccine cuts down on genital warts. and even though those may not be life threat anything, they're certainly embear ration and certainly hard for boys to go through. later in life there's a connection with throat and anal canc cancer. and then, finally, you can make the argument that you could possibly eradicate an sbir illness within a population, which is cervical can serk by cutting down on on hpv in both men and women, we can really make a huge difference in cervical cancer. >> speaking of things that affect our children, i'd like to ask you about these new numbers regarding h1n1 that came out this morning. 73% of american colleges and universities are reporting cases already in september. most of the cases