Coronavirus vaccine and Delta variant updates for 7-28-2021

<p>This is Vaccine 411, the latest coronavirus vaccine information for July 28th, 2021.</p><p>&nbsp;</p><p>The CDC has again altered its mask guidance, recommending even fully vaccinated people wear masks indoors in areas with "substantial" and "high" transmission. That pretty much includes two-thirds of all US counties. A source says new unpublished data showing vaccinated people with the Delta variant can have as much virus as the unvaccinated was the main driver for the CDC's change.</p><p>&nbsp;</p><p>The White House is strongly considering requiring all federal employees prove they’ve been vaccinated or submit to regular testing and wear a mask, essentially an expansion of the VA mandate announced this week. A final decision may come next week. In 2020, there were more than 4.2 million federal workers nationwide, including those in the military.</p><p>&nbsp;</p><p>Israel has authorized the use of Pfizer’s vaccine for vulnerable children between five and 11. Officials said kids should be given the shot if they have a high likelihood of serious illness or death from Covid-19 because of underlying conditions. Each case would require special approval and lower dosages of the vaccine will be given.</p><p>&nbsp;</p><p>Tokyo had the highest number of infections yesterday since the pandemic began. Hospitals have been asked to prepare more beds. That’s trouble for the Prime Minister, whose ratings have hit their lowest level since he took office. And it’s trouble for the Olympics as 31% of Japanese citizens still say the Games should be postponed again or cancelled.</p><p>&nbsp;</p><p>Cambodian authorities stopped five large containers of frozen water buffalo meat imported from India after determining three containers were tainted with the coronavirus. The contents of the three containers will be destroyed later this week. Cambodia only recently began allowing imports from India again. China’s also recently found the virus in food imports, imposing bans on pork from Britain and Denmark, beef from Argentina, fish from