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上海右肺实性结节
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发布时间: 2025-05-24 17:08:45北京青年报社官方账号
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  上海右肺实性结节   

The Department of Homeland Security is on heightened alert, watching for any election security issues.In the last week of October, hackers targeted at least six states, attempting to get into their voter databases and election security systems, according to the Boston Globe. Some states reported they had to block more than 50,000 log-in attempts that came from foreign countries.“The worst-case scenario is somehow a system is slowed down or brought down, or perhaps there’s some problems on election day, where voters have to wait longer,” says John Fortier, with the Bipartisan Policy Center. “But there are backup procedures and there are ways of recovering from this.”On Tuesday, the Department of Homeland Security reassured voters that their ballots are safe.“We have no indication of compromise of our nation’s election infrastructure that would prevent voting, change vote counts, or disrupt the ability to tally votes,” said their statement in part.“At this stage in the election, we’re not expecting it, certainly not to effect votes, and secondly there are lots of procedures to recover from this,” Fortier explains. “If there is a problem, there is a backup, both for voters and election administrators.”For now, the bigger concern has become misinformation online, including attempts to cause chaos and manipulate public opinion.Read the joint statement released by the Department of Homeland Security and Department of Justice in its entirety below:“Our agencies have been working in unprecedented ways to combat influence efforts and to support state and local officials in securing our elections, including efforts to harden election infrastructure against interference. Our goal is clear: ensure every vote is counted and counted correctly. At this time we have no indication of compromise of our nation’s election infrastructure that would prevent voting, change vote counts, or disrupt the ability to tally votes.”“But Americans should be aware that foreign actors – and Russia in particular – continue to try to influence public sentiment and voter perceptions through actions intended to sow discord. They can do this by spreading false information about political processes and candidates, lying about their own interference activities, disseminating propaganda on social media, and through other tactics. The American public can mitigate these efforts by remaining informed, reporting suspicious activity, and being vigilant consumers of information, as discussed below.”“The United States will not tolerate foreign interference in our elections from Russia, China, Iran, or other nations. As noted in a  joint statement on October 19, 2018, such actions are a threat to our democracy, and identifying and preventing this interference is one of our highest priorities. On September 12, President Trump signed an executive order that makes clear the U.S. government will not hesitate to defend our electoral processes or punish those who attempt to undermine them.” “Our agencies have been making preparations for nearly two years in advance of these elections and are closely engaged with officials on the ground to help them ensure the voting process is secure. Americans can rest assured that we will continue to stay focused on this mission long after polls have closed.” 3337

  上海右肺实性结节   

The Food and Drug Administration released updated safety standards Tuesday for makers of COVID-19 vaccines despite efforts by the White House to block them, clearing the way for requirements that are widely expected to prevent the introduction of a vaccine before Election Day.In the new guidelines posted on its website, the FDA said vaccine makers should follow trial participants for at least two months to rule out any major side effects before seeking emergency approval. That standard had been a sticking point between the FDA and White House officials, who said it could unreasonably delay the availability of COVID-19 vaccines.President Donald Trump has repeatedly insisted a vaccine could be authorized before Nov. 3, even though top government scientists working on the effort have said that timeline is very unlikely. On Monday Trump said vaccines are coming “momentarily,” in a video recorded after he returned to the White House.Former FDA officials have warned that public perception that a vaccine was being rushed out for political reasons could derail efforts to vaccinate millions of Americans.A senior administration official confirmed Monday that the White House had blocked FDA’s plans to formally publish the safety guidelines based on the two-month data requirement, arguing there was “no clinical or medical reason” for it.But on Tuesday, the FDA posted the guidance on its website, making clear that regulators plan to impose the safety standards for any vaccine seeking an expedited path to market.FDA Commissioner Stephen Hahn said in a statement that he hoped the guidelines would help “the public understand our science-based decision-making process that assures vaccine quality, safety and efficacy.”The requirements are aimed at companies seeking rapid approval through the FDA’s emergency authorization pathway. That accelerated process, reserved for health emergencies, allows medical products onto the market based on a lower bar than traditional FDA approval. But FDA has made clear only vaccines that are shown to be safe and effective will be authorized for coronavirus.Former FDA acting commissioner Dr. Stephen Ostroff said the requirements seem reasonable given the agency is in largely “uncharted territory” in terms of considering emergency use of a vaccine. The agency has only previously cleared one vaccine through the method — a decades-old shot that was authorized to prevent anthrax poisoning in 2005.“There really is no margin for error here,” Ostroff said. “Even when you’re talking about limited use of a vaccine there has to be some level of assurance that there isn’t a risk here that would far outweigh the benefit.”Dr. Peter Marks, the head of FDA’s vaccine division, said Tuesday that the two-month follow-up requirement was chosen to be “something reasonably aggressive, but not too conservative — right in the middle.” He spoke at a symposium organized by Johns Hopkins University.Initial doses of vaccines for emergency use would likely be reserved for medical workers and people with health conditions that make them particularly vulnerable to coronavirus. Full FDA approval for the general population will require significantly more data and is not expected until mid-2021.The White House attempt to block the guidance followed a string of instances in which the Trump administration has undercut its own medical experts working to combat the pandemic. FDA’s Hahn has been attempting to shore up public confidence in the vaccine review process for weeks, vowing that career scientists, not politicians, will decide if the shots are safe and effective.Pfizer CEO Albert Bourla has stoked excitement by saying that he expects data on whether the company’s candidate works to be ready in late October. But a number of variables would still have to align for the company to submit, and the FDA to review and greenlight, a vaccine application before Nov. 3. Pfizer’s competitors Moderna, AstraZeneca and Johnson & Johnson are working on longer research timelines.Vaccine development typically takes years, but the U.S. government has invested billions in efforts to accelerate the process and help multiple drugmakers prepare multiple candidates. All the doses will be purchased by the federal government for use vaccinating the U.S. population.Beyond exposing the rift between the White House and FDA, the delay in releasing the guidelines may have had limited practical effect.FDA scientists have been discussing the guidelines publicly for weeks and have made clear that the recommendations have already been shared with each of the vaccine developers.Former FDA Commissioner Scott Gottlieb said Tuesday that drugmakers depend on the FDA’s science-based endorsement to vouch for the safety and effectiveness of their products.“I can’t imagine a circumstance where a sponsor would challenge or seek to undermine the FDA’s role here,” Gottlieb said at the COVID-19 symposium. “This is precisely the moment when we need an objective, neutral arbiter.”Last week, Gottlieb and six other former FDA commissioners blasted the Trump administration for “undermining the credibility” of the agency in a op-ed calling for the release of the then-stalled vaccine guidelines.“Scientists should make decisions based on data, unfettered by political pressure or the intrusions of ideology or vested interests,” the officials wrote.___AP Medical Writer Lauran Neergaard contributed to this report.___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. 5644

  上海右肺实性结节   

The FBI raid on President Donald Trump's personal attorney Michael Cohen sought information that included payments allegedly made to keep women silent about affairs with Trump more than a decade ago.A source familiar with the matter told CNN Tuesday that a focus of the raid was to seek records on the deal set up between ex-Playboy Playmate Karen McDougal and a company that reportedly paid her amid the 2016 presidential campaign cycle to keep her account from publication. 483

  

The calendar is about to flip from April to May, and normally storm chasers are flooding Tornado Alley to get a glimpse at the power of Mother Nature. But so far in 2018, there has not been much to chase. According to the National Weather Service, the state of Oklahoma, which is in the heart of Tornado Alley, has gone the entire year so far without a single confirmed tornado touchdown. Not since before 1950 has Oklahoma gone the first four months without a single tornado touchdown. By the end of April, the state would have averaged 17 tornado touchdowns. Last year, 13 tornadoes had touched down by the end of April. In 2016, there were 27 touchdowns in the month of April alone. In 2012, there were 54 confirmed touchdowns in April. The state of Kansas has also gone the entire year without a tornado. According to National Weather Service data, the state averages 12 tornadoes in the month of April alone. "On the whole, across the United States, we have seen around half the number of eyewitnessed tornado reports that we would normally expect by this time of year," Dr. Patrick Marsh, a meteorologist at the Storm Prediction Center, told CNN. Meteorologists are blaming, or crediting, a jet stream pattern that has sent big snow storms into the Upper Midwest for the decreased number of tornadoes. The pattern has prevented warm moist air from setting up in the Plains, which has cut off any fuel for potential tornadoes. According to the Storm Prediction Center, the upcoming weekend appears to void of any major severe weather outbreaks. The next potential for severe storms could setup in the Plains on Tuesday and Wednesday.  1692

  

The cast and crew of "Parks and Rec" are reuniting for a political cause.Amy Poehler and other stars of the show will participate in a virtual town hall on Thursday to raise money for the Democratic Party of Wisconsin.Series creator Michael Schur is also slated to make an appearance.The event is scheduled to begin at 8 p.m. CT, and anyone who donates money will be able to participate in a Q&A at 8:30 p.m., the group stated on its website.In April, the cast came together to raise money for Feeding America. 522

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