中山便血疾病(中山大医院治疗便血) (今日更新中)

The Centers for Disease Control and Prevention is asking people who take a COVID-19 vaccine to download a smartphone app so it can continue to track side effects.The app, called V-Safe, uses text messages and web surveys from the CDC to check in with patients who have gotten a COVID-19 vaccine.The app will also remind patients when it's time to go back for a second shot.Patients can expect to experience mild symptoms like fever, headache and muscle aches after taking the vaccine. But doctors, like Dr. Grace Lee — the associate chief medical officer for practice innovation at Stanford Children's Health and a member of the CDC's vaccine advisory panel — say those side effects don't tend to last very long."We hope that patients will be willing to engage in the system, recognizing it does take some time," Lee said. "But it's really important for all of us in the U.S. to make sure that we are helping to create a robust vaccine safety monitoring system for all COVID vaccines."Lee says that because clinical trials for COVID-19 vaccines have been so large — with 30,000 to 60,000 people in each trial, compared to just several thousand for a typical trial — there's already a lot known about the vaccines.The trials have shown no major safety risks thus far, but Lee says rare adverse events can happen — like the two healthcare workers in Alaska earlier this week who suffered anaphylactic allergic reactions with the Pfizer vaccine. The side effects reported by those two patients were similar to the ones suffered by two people in the U.K. earlier this month.Lee says that's why the CDC is counting on as many people as possible to use V-Safe."My hope is that if the numbers are high," Lee said. "It just means it gives us more information more quickly, and so for anything rare that might occur, we would be able to pick it up much more quickly."V-Safe send text messages to patients, asking them how they are feeling for up to six weeks after their shots. The CDC says the questions take less than five minutes to answer and that the information patients provide will be confidential and private. 2117

The Federal Trade Commission (FTC) is cracking down on glasses and contact prescribers who may try to stop you from shopping around.The FTC sent warning letters to almost 30 different eyeglass prescribers. The letters say the prescriber must give a copy of the prescription to the patient without them asking.They can't charge a special fee for doing that and they can’t force you to buy from them just because they did the examination.“However, there were a lot of prescribers that just weren't doing that,” said Linda Sherry, Director of National Priorities at Consumer Action. “If you asked for it, in most cases, you would get it. They also are required to post notices in the offices to say that you have a right to your prescription and a lot of prescribers we're not posting those notices.”Consumer Action is educating people on their eyeglass and contacts prescription rights. Sherry says prescriptions allow you to go online and to other eyeglass and contact sellers to shop for the best deal.Another thing she says to ask for, especially if you're shopping online, is pupil distance. It may not be on the prescription.“I had an experience where I asked for the pupil distance and was told that would be to put the pupil distance on, so I was like, ‘I've been coming here for three years and you've obviously measured my pupil distance, because I bought glasses from you. So, all you have to do is open your records and tell me my pupil distance.’ And they did do it, but there was that moment there when she said for the pupil distance measurement when I thought, ‘oh, something's very, very wrong here.’”Prescribers shouldn't be charging for that info either.If you're having trouble getting prescription information from your provider, you can contact the FTC. But remember you may also be due for a new eye exam. State laws vary but most eye prescriptions are only good for one year. 1912

The E.W. Scripps Company now has a reach of 21 percent of U.S. television households after purchasing 15 television stations.That brings the total number of stations for Scripps to 51. The purchase from Cordillera Communications was 1 million. It adds more NBC and CBS stations to Scripps' strong ABC roster.The Cordillera stations will significantly diversify the Scripps portfolio, growing it to 51 stations, including 18 ABC stations, 11 NBC stations, seven CBS stations and two Fox stations. Scripps will operate seven duopolies, efficiently enhancing the depth and durability of the portfolio.The stations Scripps is acquiring are: 652

The case of the world's most litigious selfie has come to a close.The People for the Ethical Treatment of Animals (PETA) and photographer David Slater have reached a settlement in a dispute over who owns the rights to a selfie of a monkey.The photograph was taken in 2011 by a 7-year-old crested macaque named Naruto. 325

The Dow Jones Industrial Average closed at a record high Monday, erasing the last of its pandemic losses, after a second drug company announced encouraging progress on developing a coronavirus vaccine. The Dow Jones closed at 29,950, topping the previous record set back in February. The Dow Jones has completed a long comeback after losing nearly 35% of its value over the course of six weeks during the onset of the coronavirus pandemic. While the Dow rallied at the end of spring and start of summer, the markets were sluggish in their recovery until the start of November. The S&P 500 added to the record high it reached last Friday. The Dow rose 1.6% and the S&P 500 added 1.2% after Moderna said its COVID-19 vaccine appears to be 94.5% effective, according to preliminary data. It comes just a week after Pfizer and BioNTech gave similarly encouraging numbers about their own vaccine candidate. Stocks of companies that would benefit the most from the economy climbing out of its recession led the way higher. 1032

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