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Potential accuracy issues with a widely used coronavirus test could lead to false results for patients, U.S. health officials warned.The Food and Drug Administration issued the alert Monday to doctors and laboratory technicians using Thermo Fisher’s TaqPath genetic test. Regulators said issues related to laboratory equipment and software used to run the test could lead to inaccuracies. The agency advised technicians to follow updated instructions and software developed by the company to ensure accurate results.The warning comes nearly a month after Connecticut public health officials first reported that at least 90 people had received false positive results for the coronavirus. Most of those receiving the false results were residents of nursing homes or assisted living facilities.A spokeswoman for Thermo Fisher said the company was working with FDA “to make sure that laboratory personnel understand the need for strict adherence to the instructions for use.” She added that company data shows most users “follow our workflow properly and obtain accurate results.”The FDA said one possible problem was related to the incorrect use of equipment that rapidly spins samples in preparation for processing. The agency’s letter tells lab workers to follow new instructions developed by the company for this step.A second issue relates to the software used on Thermo Fisher’s testing platform. FDA said labs must upgrade the software to a new version.Dr. Albert Ko of Yale’s School of Public Health said the potential accuracy problems have “pretty serious implications” given that Thermo Fisher’s test is used widely both in the U.S. and around the world to screen for coronavirus.The FDA statement did not provide any details on how many test results may have been affected by the problem.Lab tests are the backbone of U.S. screening for coronavirus, accounting for more than half of the roughly 750,000 tests developed daily. The tests look for traces of coronavirus’ genetic material in nasal swabs taken from patients.Thermo Fisher’s test was granted emergency use by the FDA in mid-March. The test runs on a large, automated machine used in hospital, government and commercial labs to look for diseases such as HIV, hepatitis and flu.The FDA has used its emergency powers to OK more than 200 tests for coronavirus since February. No test is perfect and all are expected to give at least a small percentage of false negatives and false positives.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 2656

President Donald Trump on Monday morning suggested that he'd like to hold his potential meeting with North Korean leader Kim Jong Un near the border of North and South Korea."Numerous countries are being considered for the MEETING, but would Peace House/Freedom House, on the Border of North & South Korea, be a more Representative, Important and Lasting site than a third party country? Just asking!" Trump tweeted.Last week, Trump said the list of potential sites for a summit had been narrowed down to two countries. 531

President Donald Trump formally accepted the Republican presidential nomination on Thursday as he prepares for the stretch run of his re-election bid.In a precedent-breaking speech that contrasted from past norms, Trump used the backdrop of the White House for his convention address. Trump spoke in front of a group of 1,500 supporters.The White House ceremony stood in contrast to typical conventions that are held in large arena before up to 20,000 supporters.Trump focused much of his speech on his opponent Joe Biden rather than his vision for a second term. Trump mentioned Biden by name 41 times, and made a number of indirect references to his Democratic challenger.Trump promises vaccineTrump joined Vice President Mike Pence’s pledge from last night in proclaiming that the US will have a coronavirus vaccine approved and ready by the end of 2020. His comments come despite skepticism from leading public health experts who say the shortened timeframe might not be enough to fully study the efficacy of vaccines."In recent months, our nation, and the entire planet, has been struck by a new and powerful invisible enemy. Like those brave Americans before us, we are meeting this challenge. We are delivering lifesaving therapies, and will produce a vaccine before the end of the year, or maybe even sooner," Trump said.While Trump said that the White House would continue heeding the advice of public health experts, the 1,500 spectators on hand were not socially distanced, and the majority of the crowd were not wearing face coverings.Trump condemns unrest in major citiesTrump joined a chorus of Republicans in condemning violence at protests in response to the shootings of police officers of black men, most recently Jacob Blake in Kenosha, Wisconsin.While Trump and other speakers repeatedly, and falsely claimed, that Biden has not spoken against the violence, the former vice president has directly encouraged protests to remain peaceful."In the strongest possible terms the Republican party condemns the rioting, looting, arson and violence we have seen in Democrat-run cities like Kenosha, Minneapolis, Portland, Chicago, and New York, and many others Democrat-run."While Trump has previously criticized local leaders for not using National Guard troops, there are currently guard units in Kenosha and Minneapolis.Ivanka goes lastDonald Trump’s daughter Ivanka was the last among Trump’s family members to speak at the Republican Convention.Unlike her brother Eric, Ivanka Trump avoided referring to Biden by name and kept her focus on why her father should be re-elected.“Washington has not changed Donald Trump. Donald Trump has changed Washington,” Ivanka Trump said. “America doesn’t need another empty vessel who will do whatever the media and the fringe of his party demands Now more than ever, America needs four more years of a warrior in the White House.:Protesters make noiseAs Trump spoke from the White House lawn, protesters made as much noise as possible outside of the White House. They used airhorns, instruments and drums to drown out the president. 3094

President Donald Trump is scheduled to hold his daily news conference on Thursday at 5:30 p.m. ET from the White House briefing room.Trump will likely face questions about mail-in voting after a Fox News interview aired Thursday morning where Trump said he would block funding for the US Postal Service. The service, which has slowed down mail processing, says it is in need of funding to speed up mail delivery.The speed of mail deliveries has prompted concerns that ballots and ballot applications might not arrive in a timely manner. While a number of states have long conducted mail-in voting without issue, more voters are expected to utilize mail-in voting because of the coronavirus pandemic."They want three and a 0 million for something that'll turn out to be fraudulent, that's election money basically. They want .5 billion for the mail-in votes. Universal mail-in ballots. They want billion, billion, for the Post Office. Now they need that money in order to make the Post Office work so it can take all of these millions and millions of ballots," Trump said.Trump has long opposed funding to conduct mail-in voting, repeating claims that mail-in voting leads to fraud. Trump has long tried to sow doubts on US elections; after his 2017 inauguration, he formed a voting fraud commission that disbanded after the panel did not release any reports indicating widespread voting abuses.Trump might also be questioned following comments from CDC Director Robert Redfield, who stated in an interview with WebMD that the coronavirus could cause a deadly fall.“I'm asking you to do four simple things: wear a mask, social distance, wash your hands and be smart about crowds. If we don't do that, as I said last April, this could be the worst fall, from a public health perspective, we've ever had.” 1819

PORTLAND, Ore. (AP) — A 73-year-old man who was stranded in the remote Oregon high desert for four days with his two dogs was rescued when a long-distance mountain biker discovered him near death on a dirt road, authorities said Thursday.Gregory Randolph had hiked about 14 miles (22.5 kilometers) with one of his dogs after his Jeep got stuck in a narrow, dry creek bed. He was barely conscious when biker Tomas Quinones found him on July 18.Quinones, of Portland, hadn't seen anyone all day as he biked across the so-called Oregon Outback, a sparsely populated expanse of scrub brush and cattle lands in south-central Oregon. At first, he thought the strange lump was a dead cow."As I got closer, I thought, 'That's a funny looking cow' and then I realized that this was a man," he recalled Thursday in a phone interview."I started noticing that he sometimes would look at me but his eyes were all over the place, almost rolling into the back of his head. Once I got a better look at him, I could tell that he was in deep trouble."Randolph was horribly sunburned, couldn't talk or sit up, and could barely drink the water Quinones offered him.Quinones hadn't had a cellphone signal for two days, so he pressed the "SOS" button on a GPS tracking device he travels with in case of emergency.He sat with Randolph, unfurling his tent to provide shade as they waited. A dog — a tiny Shih Tzu — emerged from the brush and Quinones fed it peanut butter.An ambulance showed up more than an hour later and whisked Randolph away, leaving the dog.A sheriff's deputy showed up minutes later and, after giving a report, Quinones continued his trip. The deputy took the dog.But Quinones soon noticed what appeared to be Randolph's footsteps in the dust and followed them back for four miles until the foot tracks left the road, he said.When the deputy passed while leaving the area, Quinones pointed out the tracks then continued on.Oregon State Police said they used an airplane to spot Randolph's Jeep two days later, on July 20. His second dog had stayed at the site and was also alive.The dog may have gotten some water from mud puddles in the creek bed, Lake County Deputy Buck Maganzini said.The Jeep was miles from the nearest paved road, he added. Lake County is nearly 400 miles (644 kilometers) southeast of Portland."It's still there. It very well could stay there forever. I don't know how he got the Jeep in as far as he did," Maganzini said.Randolph spent several nights in a hospital but is now home and recovering, as are his dogs. A home phone listing for him was disconnected."He was just out driving the roads — that's kind of common out here," Maganzini said. "There's not a heck of a lot else to do. You see a lot of pretty country."Quinones has finished his back-country bike trip and said he feels lucky that he found Randolph when he did — and that he had a way to summon help.He later discovered it would have been a six-hour ride to the next campsite with cellphone service had he not had his GPS tracking "SOS" device."There's no way to tell how long he'd been collapsed on that road," he said. "It's kind of mind-blowing." 3146