kim mulvihill shows us, getting vaccinated just got a little easier. >>> reporter: the flu season is off to a sharp start, at least when it comes to flu shots. >> we received them earlier so we can start earlier. >> reporter: pharmacist bill hightower works at walgreens in san francisco, the nation's largest drug chain beginning to offer flu shots this week. every, single store every, single day even at 24-hour location. >> we'll be promoting this through the fall to be sure everybody has the opportunity to get immunized. >> reporter: rite aid pharmacies also began giving flu shots this week at most >>> . cvs is expected as to start next week. why so early? >> that's it. >> reporter: remember last year's flu season with the h1n1 swine flu vaccine? manufacturing delays and antiquated technology resulted in long lines that snaked around bay area blocks and frustrated individuals. >> i have been here for two hours. >> reporter: expect few delays this time around. this flu season's vaccine is ready to go. the shot targets the pandemic h1n1 virus as well as two other strains of influenza.

kim mulvihill shows us why this is particularly true during ragweed season, which is just getting >>> if you have indoor allergies you may have worse allergies out doors. dr. kim mulvihill joins us. >> reporter: mid-august and here in california ragweed season lasts for nine months. so allergies sufferers beware. >>> reporter: michelle suffers year round from allergies. >> i'm allergic to almost everything, in door, out door, mold, stuff, everything outside, grass, trees. >> reporter: as a realtor she knows immediately if there is a cat in the house. >> if i'm hosting an open house i'll put the cat in the bathroom. >> reporter: new research shows her indoor allergies can make her outdoor allergies worse, especially toward the end of summer when pollen-filled ragweed thrives across the country. >> individuals with perennial allergies, when ragweed hits they have more symptoms. >> reporter: people with year round allergies and a hypersensitive immune system from always dealing with symptoms so when ragweed season comes along their primed immune system in effect overreaction. ragweed, wh

dr. kim mulvihill explains why that thinking may now be outdated. kim. >> reporter: well, juliette, having a miscarriage is difficult, both physically and emotionally. but most couples are eager to try again as soon as they can and new data suggests that sooner may be better. >>> reporter: mckenna can watch the video of the baby in her womb for hours. >> miracle baby. >> reporter: his conception took years. the couple tried intrauterine insem nation. she became pregnant and miscarried. >> you lost it you're a wreck, it was really hard. can you show mom? i. >> reporter: two months after the miscarriage they tried intrauterine conception again and were unsuccessful. >> i have heard they feel like it's better to wait. >> reporter: at 38, marks didn't think she had time to wait. however, the world health organization recommends women wait six months to become pregnant after a miscarriage to reduce the risk of a second one. >> there really were no rock solid studies. >> reporter: obstetricians say that is outdated. now a study of 30,000 pregnant women in

kim mulvihill, cbs 5 healthwatch. >> each ragweed plant can produce about a p.m. grains of water. those pollens can be airborne for days. >> up next a survival story that spans three years. >> a dog. lost in a wildlife refuge area. how the dog was found and returned to the owners. universities. that's we know everyone's looking for ways to save. why not save on car insurance? [ coin drops ] [ high-pitched voice ] thanks. [ normal voice ] you're welcome. get a free quote at progressive.com. [ john ] i love these new cell phones. [ wife ] he just got a new phone and he can't stop using it. boom! profile pic. [ cell phone rings ] do you guys needs a moment? since john is always on his phone, we thought he'd like using wells fargo mobile banking. just paid the electric bill. wow. he's able to pay his bills, check his balance. wow. [ banker ] even transfer money between accounts. i can tell you what's playing, if you like. i can tell you, too. see? oh. [ male announcer ] wells fargo. with you when life is mobile. ♪ >>> good morning. chris jewett our photojournalist up this morning ha

dr. kim mulvihill is here to explain. >>> a new study reveals how today's teenagers have more hearing loss than two decades ago. dr. kim mulvihill is here to explain. i can guess. >> reporter: a stunning number of teens, nearly one in five, has lost a little bit of hearing. some experts are urging teenagers to turn down the volume. >>> reporter: like a typical teenager, 17-year-old christopher hundredtoon prefers his music mobile. he puts in earbuds for music on the go. >> i try not to listen too loud but sometimes it is. >> reporter: he is not thinking of the long-term consequence. but a new study finds one in five adolescents has hearing loss. that's a 30% increase over adolescents tested between 1988 and 1994. while the latest study didn't look specifically at noise and hearing loss, previous research shows loud music could put listeners at risk of the it's subtle so most teens don't know they have a problem but doctors say identifying that he is kids is critical. >> for different reasons, one is just possibly differen

kim mulvihill, cbs healthwatch. >>> 5:50. still to come, a fan at the giants phillies game she makes a bare-handed catch that you have to see to believe. >> plus, beer runs. how a woman got caught and arrested for a dui in a not too typical story. ,,,,,,,, [ banker ] when ashley's violin teacher told her parents she was gifted, they were thrilled. she's a natural vibrato. oh. we started saving for this music camp in vermont. so i told them about some of the wells fargo online savings tools like my savings plan, which helps them set up and monitor a savings goal. until we found out that maybe her teacher uses certain terms a little bit loosely. rebecca is clearly very gifted. [ banker ] we decided to roll that money into ashley's college account. turns out there's seven gifted kids in ashley's class of nine. [ male announcer ] wells fargo. with you when it's time to save. ♪ >>> it's 5:52. sunrise is at 6:29. >> just looked that up. >> san francisco one of the safest cities for kids. that's according to a survey from men's he

kim mulvihill, cbs 5 healthwatch. >>> it's quickly becoming the world's murder capital and it's right next door. we'll take you to the heart of the escalating violence in mexico. so that story and more tonight only on the cbs evening news. [ male announcer ] when meg whitman arrived at ebay, they had 30 people and an idea. meg's job was to make it happen. it took leadership. focus. and the ability to bring people together. meg whitman delivered. named one of america's best ceo's by harvard business review, she grew ebay 15,000 strong and made small business dreams come true. now meg has a plan to create jobs. fix sacramento. and deliver results. meg whitman. for a new california. public pensi >>> i'm dana king. here's what we're working on for eyewitness news at 6:00. public pensions, they are draining the budget. why some say a new proposal meant to curb the problem could actually make things worse. and meet max. he is a dog that has gone through an awful lot in his life, and now he needs a new home. so we are going to have that story and much more tonight at 6:00, juliette. >> thank

kim mulvihill on how your monthly cycle can have a major effect. >>> reporter: when it comes to women and cholesterol levels, the time of the month matters, according to new research from the national institutes of health. researchers tracked estrogen and cholesterol levels among some 260 healthy women between age 18 and 44. they found women's total cholesterol levels rise as estrogen levels increase prior to ovulation and then drop rapidly after ovulation occurs. ucsf cardiologist dr. rita redberg says it fits with what her patients have been saying, things change during the cycle. >> women with coronary disease will tell me they get angina just before ovulation or different times in their cycle and there haven't been a lot of research so i think it's really interesting that they have documented that your cholesterol levels change according to your menstrual cycle. >> reporter: while she does not recommend cholesterol screening under age 45, she does think for some it may be time to time testing. >> why not use the data from this study and say, in the women between 45 and 50, because

kim mulvihill says it is a good idea. >> revaccination is a precaution nary thing, these are communicable diseases, so be safe, if need be get revaccinated. >> reporter: sutter officials say there will be no harmful effects from the original vaccine or the revaccination even though they are so close together in time. they say they have a new protocol in effect to make sure nothing like this happens again. >> let's hope so. joe vazquez in san francisco, thanks, we have a complete list of the centers asking patients to get another vaccination on our web site. that's at cbs5.com. >>> she called police for help but didn't think that it would lead to the death of her son. it happened last night outside their apartment on the 200 block of measure do road. eric charged with them with a knife but as robert lyles tells us his mother disagrees. >> reporter: some of of what, why did they taser and discharge a service revolunteer investor. that's two things they have to. but as two of those stores remain on paid leave the mom said they had no reason to kill her son. >> >> translator: i called the pol

dr. kim mulvihill is here with us to tell us what's up with these bad eggs. kim. >> reporter: what's up? you might call it a stealth germ. inside this perfectly normal healthy looking egg, you can have a strain of bacteria that can make you pretty sick. >>> reporter: hundreds of millions of eggs from a single iowa farm are now involved. nearly 2,000 people nationwide got sick. the suspect, a nasty bacterium, se strainoff salmonella. >> it's strong and takes a lot to kill that strain. >> reporter: it used to be the biggest problem was on the outside of the eggs on the shell with salmonella. but with this strain, the infection is inside the egg. healthy appearing hen lays an infected egg. there are have been 266 i'llnesses in california since the outbreak and the cases will rise. >> i feel sorry for the sick people. i really -- i'm disappointed -- disappointed that this happened. >> reporter: arnie is an egg farmer in petaluma. he says most of his eggs are consumed in the bay area. >> is the problem the same on the west coast? no, it's not. california has an al

kim mulvihill reports. >> reporter: two-thirds of women are overweight or obese and the pill is a popular form of birth control. but the pill doesn't reliably prevent pregnancy in these women. some urged heavier women to use backup methods. new data disputes that. researchers assigned birth control pills to overweight and regular weight women and it worked fine regardless of body weight. the pill is a reliable option for heavier women at higher risk of complications during pregnancy and don't need a higher dose pill with a higher risk of side effects so good news on both counts. >> also hearing about a new trend in baby boys. >> reporter: absolutely right. baby boys, there's been a dramatic decline in circumcisions in u.s. hospitals. some 80% of american men are circumcized but a new report suggests how newborn boys are not following in their father's footsteps. in 2009, just 33% of newborn males were circumcized down from 56% in 2006 and 67% in the '80s and '90s. opponents of circumcision are thrilled saying it's genital mutilation. but it may reduce the risk of hiv and other stds. >> th

kim mulvihill found out. >>> reporter: are your kids vaccinated against pertussis, whooping cough? >> that wasn't so bad, was it? >> reporter: have they gotten booster shots? if not and they go to school in san francisco, watch out. if an outbreak occurs, unvaccinated students may be barred from going to class and forced to stay home for three long weeks. >> pretty drastic. terrible. >> it's not a good thing. >> it would be awful. >> reporter: why? >> because of daycare for their parents. >> reporter: the latest numbers tell the story. since january, more than 3,000 cases of whooping cough have been reported in california. eight infants have died. the bay area is already a hotbed of infection, and the kids going back into the classroom, it's a potent mix. germs can spread quickly. do the math. experts worry that at this point, whooping cough cases will explode. >> it is obviously a very important public health issue. >> reporter: vaccinated kids break the cycle of infections. however, some parents opt out of vaccinating their kids. others do not realize protection from the vaccine

dr. kim mulvihill, cbs 5 healthwatch. >>> and we go to breaking news out of the east bay. chopper 5 is now above what's left of a high-speed chase. this is in contra costa county. according to the highway patrol, its officers were trying to stop a murder suspect who is believed to have weapons in his car. now, the chase started in eastern contra costa county. and we did get several e-mails from people who saw it end here. they saw a lot of these police cars stop. the suspect's car is that yellow car there. it stopped in the bay point area, solano and calaveras drive i'm told specifically. very residential neighbor as you see. apparently, the driver of the car has not surrendered yet but again, it's that yellow suv. police have called out a s.w.a.t. team and they are bringing in police negotiators, as well. so again, chopper 5 above contra costa county where we are watching as police try to take into custody a person they call a murder suspect. >>> after nine years, the plunge will re-open this weekend. i'm ann notarangelo in richmond. we'll go inside this one of a kind poo

dr. kim mulvihill on the adults and the children affected. kim. >> reporter: well, allen, the problem affects nearly 20 vaccines including polio, hepatitis, gardasil, even pertussis or whooping cough. these vaccines were given to

dr. kim mulvihill is here to explain to us why. dr. kim. >> reporter: this was a voluntary program and it was supposed to be the largest genetic testing experiment ever done at an american university. new students would provide a swab, a little spit, and find out three genetic traits. alcohol sensitivity, how well they absorb a certain b vitamin, and whether they're lactose intolerant. the pressure from state lawmakers and the california department of public health is changing all that. state regulators told cal if it was going to release results to individual students, that qualifies as a medical test and must be conducted at a certified lab not a campus facility. the experiment is still on, but students will no longer get personalized reports. not everyone on the berkeley campus agrees with the decision. >> it's an individual's choice. and i mean, if they want to get it done, so be it. if they don't, they don't have to. >> i think it would be interesting to know if i was alcohol intolerant so i wouldn't be going out and doing things