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Vaccinating adults appears to protect children around them; bar opening event linked to 46 COVID-19 cases

CoronavirusApr 08, 2021 03:40PM ET
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© Reuters. FILE PHOTO: A medical worker vaccinates a man against the coronavirus disease (COVID-19) as Israel kicks off a coronavirus vaccination drive, at Tel Aviv Sourasky Medical Center (Ichilov Hospital) in Tel Aviv

By Nancy Lapid

(Reuters) - The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

Vaccinating adults appears to protect children as well

New data from Israel, where health officials moved quickly to distribute the COVID-19 vaccine from Pfizer Inc (NYSE:PFE) and partner BioNTech SE (NASDAQ:BNTX), suggests that the vaccination of adults also protects unvaccinated people living around them. Roughly one third of Maccabi Healthcare Services (NASDAQ:HCSG) (MHS) 1.95 million members - all above the age of 16 - had received at least a single vaccine dose by Jan. 30. In analyzing outcomes in 223 communities, researchers found that as the number of vaccinated adults went up, infection rates among unvaccinated MHS members in the same community went down - particularly among children. MHS is Israel's second largest healthcare maintenance organization. "While the observed vaccine-associated protection of unvaccinated is encouraging, further studies are required to understand whether and how it might support the prospect of herd immunity and disease eradication," the researchers concluded in the study posted on Wednesday on medRxiv ahead of peer review. (https://

Illinois bar-opening event linked to 46 cases of COVID-19

An indoor celebration of a bar opening in rural Illinois in February led to 46 new cases of COVID-19 and wider ramifications, according to a U.S. study that serves as a caution about how such events can affect local communities. Four attendees had COVID-19-like symptoms that day. Of the 46 coronavirus infections linked to the party, there were 26 cases among patrons, three in staff members and 17 "secondary cases" in people infected by them, according to a report published on Monday in the Morbidity and Mortality Weekly Report from the U.S. Centers for Disease Control and Prevention. The secondary cases included children and residents of long-term care facilities. "Transmission associated with the opening event resulted in one school closure affecting 650 children (9,100 lost person-days of school) and hospitalization of one long-term care facility resident with COVID-19," researchers said. "These findings demonstrate that opening up settings such as bars, where mask wearing and physical distancing are challenging, can increase the risk for community transmission of SARS-CoV-2," researchers said. Businesses should "work with local health officials to promote behaviors and maintain environments that reduce the risk for SARS-CoV-2 transmission and develop strategies for reopening safely to prevent outbreaks in the community, such as modifying layouts and operating procedures," they said. (https://

Congenital heart disease does not worsen COVID-19 risks

Adults with congenital heart defects are not more likely than the average person to have severe COVID-19, or to die from it, according to an international study. Risk factors associated with poor outcomes in these individuals are the same as those associated with poor outcomes in the general public - older age, male gender, a history of heart failure, irregular heart rhythm, kidney problems, diabetes, and need for extra oxygen before becoming infected with the coronavirus, said study coauthor Dr. Jamil Aboulhosn of the UCLA Adult Congenital Heart Center. Researchers analyzed data from 1,044 adults with COVID-19 from 58 congenital heart disease centers worldwide. Even people with very complex heart defects did not appear to have an increased risk of severe COVID-19 as long as they did not already have severe signs and symptoms of heart disease, Aboulhosn said, calling the finding, "somewhat surprising." The study was published in the Journal of the American College of Cardiology. (https:// https://

Stroke patients with COVID-19 have worse outcomes

Among patients who went to a hospital because they were having a stroke, those who tested positive for COVID-19 had higher odds of dying there, a new study shows. The patients with COVID-19 were also more likely to have more severe stroke and to suffer another stroke while hospitalized, researchers reported in the journal Stroke. They studied close to 42,000 patients who arrived at 458 hospitals with ischemic stroke, caused by blockages in arteries that carry blood to the brain. About 3% of the patients tested positive for COVID-19. On average, they got to the hospital as quickly as patients without coronavirus infection. After that, things slowed down. "Likely due to the need for personal protective equipment use and other precautions" by hospital staffers, it took longer for COVID-19 patients to get clot-busting treatments that reopen the clogged vessels, said study coauthor Dr. Gregg Fonarow of the University of California, Los Angeles. The study cannot prove that treatment delays caused the worse outcomes. However, Fonarow said, "these findings suggest there is a need to further enhance stroke protocols to provide more timely diagnosis and treatment for patients with (ischemic stroke) to speed care while still protecting healthcare workers from exposure." (https://

Open https://tmsnrt.rs/3c7R3Bl in an external browser for a Reuters graphic on vaccines in development.

Vaccinating adults appears to protect children around them; bar opening event linked to 46 COVID-19 cases
 

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Courtney Williams
Courtney Williams 4 hours ago
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𝚑𝗼𝘄 𝗱𝗼𝗲𝘀 𝗹𝗶𝗳𝗲 𝗳𝗲𝗲𝗹 𝘄𝗵𝗲𝗻 𝗺𝗼𝗻𝗲𝘆 𝗶𝘀 𝗻𝗼𝘁 𝗮𝗻 𝗶𝘀𝘀𝘂𝗲? 𝘄𝗵𝗮𝘁 𝗶𝘀 𝗶𝘁 𝗹𝗶𝗸𝗲 𝘁𝗼 𝗵𝗮𝘃𝗲 𝗮𝗹𝗹 𝘆𝗼𝘂𝗿 𝗯𝗶𝗹𝗹𝘀 𝗮𝗻𝗱 𝗱𝗲𝗯𝘁𝘀 𝗽𝗮𝗶𝗱 𝗶𝗻 𝗳𝘂𝗹𝗹? 𝘄𝗵𝗲𝗻 𝗰𝗮𝗻 𝘆𝗼𝘂 𝗱𝗼 𝘄𝗵𝗮𝘁 𝘆𝗼𝘂 𝘄𝗮𝗻𝘁, 𝘄𝗵𝗲𝗻 𝘆𝗼𝘂 𝘄𝗮𝗻𝘁? 𝘁𝗵𝗲𝗿𝗲 𝗶𝘀 𝗻𝗼 𝗻𝗲𝗲𝗱 𝘁𝗼 𝘄𝗼𝗻𝗱𝗲𝗿 𝗮𝗻𝘆𝗺𝗼𝗿𝗲. 𝘁𝗵𝗶𝘀 𝗮𝗽𝗽 𝗶𝘀 𝘁𝘂𝗿𝗻𝗶𝗻𝗴 𝗼𝗿𝗱𝗶𝗻𝗮𝗿𝘆 𝗽𝗲𝗼𝗽𝗹𝗲 𝗶𝗻𝘁𝗼 𝗺𝗶𝗹𝗹𝗶𝗼𝗻𝗮𝗶𝗿𝗲𝘀 𝗮𝗻𝗱 𝗵𝗲𝗹𝗽𝗶𝗻𝗴 𝘁𝗵𝗲𝗺 𝗳𝗶𝗻𝗮𝗹𝗹𝘆 𝗹𝗶𝘃𝗲 𝘁𝗵𝗲 𝗹𝗶𝗳𝗲𝘀𝘁𝘆𝗹𝗲 𝗼𝗳 𝘁𝗵𝗲𝗶𝗿 𝗱𝗿𝗲𝗮𝗺𝘀. 𝚑𝗲𝗿𝗲 𝗶𝘀 𝘁𝗵𝗲 𝗹𝗶𝗻𝗸:𝘂𝗷𝗲𝗷𝘀𝗰𝗮.𝗺𝗹
 
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