in san jose, chris nguyen, abc 7 news. >>> we have some vaccination milestones to share today. contra costa health officials say a million people in the county received at least one dose in vaccine. vaccination sites are now open to everyone in marin county. 2/3 of people living in san francisco have received at least one shot of the vaccine. >>> the groups behind the effort to recall the gotten enough signatures to. >>> here are the numbers from the state secretary's office. 1.6 valid signatures have been submitted and verified. the initial effort 10th. the people are upset about his handling of the pandemic. counties still have until april 29th. so a few days from now to submit the rest of the verified signatures. that will be follow bid a 30 day period where people with withdrawal their signatures. the head of the recall efforts really says this group has done the impossible but that their work is just beginning and about 45 minutes ago, we did hear from governor newsom, he tweeted out his thoughts during what his campaign is doing framing it as a republican effort. he calle

chris nguyen, abc7 news.lysis has been critical to tracking and understanding the spread of covid-19. data science has become a fast growing field few people can describe. a new children's book is trying to demystify data for people and adults. education is part of building a better bay area. david louis gives us the inside look at the book. >> reporter: ryan kelly has a 17-month-old daughter. he works at a data analytics company, but realized he didn't know how to describe data science to heather -- her. >> a lot of friends can't describe what they do to her friends and colleagues as well. >> reporter: over a seventh month period, he wrote this book called florence the data scientist and her magical bookmobile. the idea came from a domino data lab. the librarian asks strategic questions to find out what kind of things the book's characters like to read about. then she can suggest the right book. the illustrations provide interest. reading it out loud provides engagement. >> the dragon licked her cheek, smili

chris nguyen, abc 7 news. >>> and cheers to that ama. very nice.eather forecast, we're still hoping for rain. >> yes, sandhya is here with the late on that. >> yes and ama and dan we do have rain coming this weekend. it's still in the don't worry. here's a live picture at the cam. here's a look at the wind it's gusty around 28 miles per hour at sfo. 29 in napa but not nearly as strong as what we experienced yesterday. temperatures at this hour any where from the 50s to the 70s. inland areas got a little bit of a warm up along the coast not so much. here's a view from pier 39 and the sea lions are just enjoying relaxing in the overcast skies which hopefully you get used to by now. low clouds, fog own patchy morning drizzle. we're expecting mild conditions inland if next few days and a storm arrives this weekend. here's a look at the hour by hour forecast. the marin layer makes us push into some of the inland valleys. watch out for the drizzle. we had it this morning and we're going to see it again tomorrow morning and tomorrow afternoon. it pulls aw

. >> reporter: in the south bay, chris nguyen, abc 7 news. >>> researchers at stanford are working on a new covid vaccine they hope could some day help fight the pandemic in the developing world. they're drawing on technology. >> reporter: the war against covid-19 has unleashed a new generation of cutting edge vaccines. some using generic code to turn our own cells into tiny vaccine factories. but in the years to come, some researchers believe an old school approach may help. to get more vaccine supplies to countries that need them. >> many countries are yet to receive a single dose and that reflects the inequity. >> reporter: to help bridge the gap, professor palentra and colleagues of the university of washington have begun experimenting in what's known a sub unit vaccine. the platform deploys an antigen from a dead sample of the virus to trigger an immune response. he says it's known around the world. >> they represent one of the main kinds of vaccines including the hepatitis vaccine and tetanus and so on. >> reporter: but to make their candidate more effective against covid-19 the

nguyen explains why. >> here we are wandering knapps >> reporter: jolene and chris knapp from texas took their three boys out of school in 2019 to travel we caught up with them take your kids on the road >> traveling has become the new way to educate your kids. >> we're going to work our way all the way up to portland, oregon. >> reporter: but this summer the knapps and other drivers may hit a speed bump gas stations running on empty there's plenty of fuel, but experts say there's a shortage of tanker truck drivers to deliver it. 35% fewer drivers after the pandemic forced some to retire or change jobs >> this summer we may see a few gas stations that have low to no fuel for a number of days >> reporter: aaa says it happened in las vegas. tourist hot spots could see some stations waiting to fill up for an extra day or two but don't panic buy. >> you don't need to hoard gasoline it's not going to be at every station there will be gas if you drive down the street >> reporter: with normal summer demand expect prices to creep up by memorial day to 3 bucks a gallon on average. the knapp family says they'll ta

chris chmura. he's here to feature a few of the cases where we helped out and put money back in people's pockets. >> reporter: long nguyen in san jose had $1834 stuck in a flight dispute between an airline, a credit card company and online travel agent and an insurance company. no one would refund long's tickets, even though they agreed a credit was due. our team untangled the mess then long got the full $1834 back. and in hayward, a $274 problem, someone broke into the cash app. she filed a fraud report, but that didn't help. she contacted us and they put $274 back into her account. since we launched bay area responds in 2016, we have put $4.79 million back in the pockets of viewers like you. perhaps we can help you, too. go to nbcbayarea.com, then click the responds option from the main menu. or call us 888-996-tips. >>> when we close cases we're always on the lookout for lessons like how to get a free credit report or how to get refunds from shipping companies. we have turned those questions and answers into a series of how-to videos. we built up a library of more than two dozen episodes. you can watch them all right