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Dr. Anthony Fauci warned Sunday that even if a COVID-19 vaccine becomes available, it still may not yield herd immunity.In an interview with the Aspen Institute on Sunday, Fauci — the U.S.'s top infectious disease expert — said he would settle for a vaccine that is between 70 and 75% effective."I doubt seriously that any vaccine will ever be a hundred percent protective. The best we've ever done is measles, which is 97 to 98% effective. That would be wonderful if we get there. I don't think we will," Fauci said. "I would settle for 70, 75% effective vaccine because that would bring you to that level of would-be herd immunity level."But a CNN poll says one-third of Americans do not plan to get a vaccine if it becomes available. Fauci said Sunday that if those figures hold true and a potential COVID-19 vaccine is only 75% effective, the U.S. population would not reach the herd immunity threshold that would kill the virus."That's one of the reasons why we have to make sure we engage the community as we're doing now to get community people, to help us for people to understand that we are doing everything we can to show that it's safe and that it's effective," Fauci said. "And it's for the good of them as individuals and in society to take the vaccine."Three coronavirus vaccines are expected to be studied in large-scale clinical trials in the next three months.Herd immunity comes when a sufficient portion of a population is immune to an infectious disease. That can come either come through prior illness or vaccination, making the disease unlikely to spread further. 1594

Dr. Deborah Birx says she will help with a Biden Administration transition and then “I will retire.”“I want the Biden Administration to be successful,” Birx said in an interview with Newsy. “I will be helpful in any role people think I can be helpful in, and then I will retire.”The Coronavirus Task Force member said her family motivated her decision.“This experience has been a bit overwhelming. It's been very difficult on my family,” Birx told Amber Strong in a clip shared on Twitter. Birx talked about her parents and family members who have been isolated for ten months and have become depressed, “as I’m sure many elderly have.” 644

During a media event celebrating his administration's effort in rolling back regulations, President Donald Trump's rhetoric veered into the 2020 race, bashing presumptive opponent Joe Biden and protesters calling for police reform and an end to systemic racism.Trump began his speech by claiming that his administration had eliminated eight government regulations for every new regulation implemented, fulfilling a 2016 campaign promise. He said deregulation helped the U.S.'s response to the coronavirus, allowing for the creation of personal protective equipment and ventilators.He also claimed that his slashing of environmental regulations has allowed the agency to return to its "core mission."Later, Trump's speech moved from White House event into a campaign-style speech, hitting Biden for signing a coalition agreement with Bernie Sanders that includes climate change and social justice reforms.Trump also made the claim that protesters who have been calling for the removal of statues of Americans with racist pasts want to "destroy our country" — harkening back to a speech that he made at Mt. Rushmore on July 3.Trump's event comes as new polling shows that the president continues to trail behind presumptive Democratic presidential nominee Joe Biden. Trump demoted his campaign manager, Brad Parscale, on Wednesday evening.The event also comes as deaths linked to the novel coronavirus near the 140,000 mark in the U.S. Several states have paused reopening efforts, and several major retailers will soon require masks in stores to help prevent the spread of the virus.Watch Trump's speech in the live video below. 1635

During the COVID-19 pandemic, researchers at the Cleveland Clinic have found a significant increase in patients experiencing stress cardiomyopathy, also known as "broken heart syndrome," which has symptoms similar to a heart attack, according to a new study from the clinic.“Especially when it comes to the loss of a job and economic stressors, those are things that the COVID pandemic is affecting in many people,” said Dr. Grant Reed. “So it’s not just the virus itself that’s causing illness in patients.”Heartbreak is a common thread in movies, pop culture, and music but Cleveland Clinic cardiologists are warning patients about the serious effects of a broken heart and the possible connection with the COVID-19 pandemic.“No one really expected to be in this situation and the pandemic has put dramatic, unprecedented stressors on our life,” Reed said. “These are patients that are coming in presenting very similar to how patients come in with a heart attack. They have EKG changes consistent with a heart attack and they have chest discomfort.”Researchers said stress cardiomyopathy happens in response to physical or emotional stress, which causes dysfunction or failure in the heart muscle.“The COVID-19 pandemic has brought about multiple levels of stress in people’s lives across the country and world. People are not only worried about themselves or their families becoming ill, but they are also dealing with economic and emotional issues, societal problems and potential loneliness and isolation,” said Ankur Kalra, M.D., a Cleveland Clinic cardiologist in the Sections of Invasive and Interventional Cardiology and Regional Cardiovascular Medicine, who led the study.Patients with this condition have experienced symptoms similar to a heart attack, such as chest pain, shortness of breath, but usually don’t have acutely blocked coronary arteries.“The stress can have physical effects on our bodies and our hearts, as evidenced by the increasing diagnoses of stress cardiomyopathy we are experiencing,” said Kalra.Patients can also experience irregular heartbeat, fainting, low blood pressure, and cardiogenic shock, which happens when the heart can’t pump enough blood to meet the body’s demand due to stress hormones.Researchers have admitted the causes of stress cardiomyopathy are not fully understood.Between March 1 and April 30, cardiologists looked at 258 patients with heart symptoms coming into Cleveland Clinic and Cleveland Clinic Akron General. Researchers compared them with four control groups and found a “significant increase” in patients diagnosed with cardiomyopathy, reaching 7.8% compared with a pre-pandemic incidence of 1.7%, the release states.All patients diagnosed with stress cardiomyopathy tested negative for COVID-19. Those with the condition since the COVID-19 outbreak had a longer hospital stay compared to those pre-pandemic. Doctors said patients with stress cardiomyopathy patients generally recover in a matter of days or weeks, although the condition can occasionally cause major adverse cardiac and cerebrovascular events.“For those who feel overwhelmed by stress, it’s important to reach out to your healthcare provider. Exercise, meditation, and connecting with family and friends, while maintaining physical distance and safety measures, can also help relieve anxiety," said Grant Reed, director of Cleveland Clinic’s STEMI program and senior author for the study.Reed said a number of factors can cause heart function to deteriorate, which include loneliness, financial stress, or overwhelming feelings of uncertainty brought on by stay-at-home orders.“You have to recognize when you need to seek help and say, ‘Okay I need to take a step back.’ Maybe disconnect from social media and not read so much because that can stress us all out,” Reed said.Researchers noted that additional research is needed in this area, especially if this trend in cases is present in other regions of the country.WEWS' Kaylyn Hlavaty and Emily Hamilton first reported this story. 4026

EL CAJON, Calif. (KGTV) -- A 58-year-old man was hit and killed while cycling in El Cajon Tuesday. California Highway Patrol says a van veered onto the shoulder of Olde Highway 80, hitting both the cyclist and a parked truck around 3 p.m.  262