elizabeth palmer, cbs news, london. >> well, that is the cbs weekend news for this sunday. we'll continue to follow hurricane ida and its aftermath in louisiana first thing tomorrow on cbs this morning. and of course any time on cbs news.com. i'm jericka duncan in new york. we thank you so much for watching. have a great night. captioning sponsored by cbs captioned by media access gro at wgbh >>> live from the cbsn bay area studios, this is kpix 5 news. >>> another day with a very dramatic plume of smoke coming off of the caldor fire and we will talk about air quality but also about what that means for that fire. >>> mother nature is fickle and through us a curveball. >> dry and hot conditions threatening to undo days of progress for firefighters and the new strategy for cruise. >>> a rivalry rekindled as the raiders returned to the bay area to face off against the 49ers and why fans have waited a decade for the matchup. >>> good evening. we begin with a live look outside and the sky looking far less hazy than it did earlier this week, with the smoke and heat triggering a s

elizabeth palmer reports from london. >> reporter: the changing of the guard at windsor castle is back for the first time since the pandemic began. that's good news for travelers from the u.s. who can visit britain without quarantining as long as they're fully vaccinated. the uk's own highly successful vaccine rollout has now immunized more than 70% of adults, and deaths and hospitalizations remain low. in israel, the government has authorized a third shot for the over 60s. it's politically popular, and the science says it does boost immunity that wanes over time, but it stands in stark contrast e global south. in nigeria, four million doses donated by the united states have landed for a country with a population that tops 200 million. medical authorities point out that covid deaths in africa rose 80% over the last month. then there's haiti. in political meltdown and struggling with a serious covid outbreak, it has finally received 500,000 doses of vaccine from the united states, but until mid july it had been the only country in the americas to have had none at all. so far more than 8

elizabeth palmer, cbs news, london. >> duncan: new census data shows america's largest city saw their sharpest population losses during the pandemic. well, it turns out they're rebounding, and fast. here's cbs' michael george. >> reporter: if you were mourning the decline of san francisco, you can probably dry your tears, the city is booming. >> we came here to be around other, like our friends. >> reporter: startup founder kunal gupta and joe ahearn just moved in and say for them it was a no-brainer. >> san francisco is the startup capitol of the world. and even though people have been leaving san francisco, we have no doubt that that continues to be true. >> reporter: millions left cities in 2020 during pandemic shutdowns, heading for the suburbs and beyond. but now many are returning; real estate markets are skyrocketing. restaurants are packed. and even traffic is back. >> we now see an urban revival. the beginnings of an urban revival. >> reporter: university of toronto professor richard florida is studying the resurgence of america's major cities. he says many people who left ju

elizabeth palmer reports. >> reporter: good morning.ow injected more than four billion doses of the coronavirus vaccine into arms worldwide,and yet that is just about a third of the minimum that is going to be needed to bring this pandemic under control. southeast asia is still a hot spot. in bangkok, monks came to get their shots. meanwhile, refrigerated containers are back in service to store the dead. the first time they have been needed since thailand's tsunami in 2004. in the south of neighboring myanmar, medical staff had to evacuate patients from a flooded hospital after a recent coups, public health systems are collapsing. and experts say fully half of the country could be infected in the next two weeks. even ground zero of this fresh outbreak in the city of nanzing, which has already 80ad of the vaccines worldwide have gone to higher income countries, though donations are, at last, starting to flow to the global south. notably, africa, where covid attendants deaths are up . in nigeria, 40% of the doses have now landed. and tanz