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Vaccines prevented up to 140,000 COVID-19 deaths in U.S.


24 Aug 2021

Three highly effective COVID-19 vaccines are available in the U.S. These vaccines have been shown to slow the spread of the virus and reduce COVID-19 deaths. About half of the population has been fully vaccinated as of August 2021. But vaccination rates have varied across the country, with some states proceeding much faster than others.


U.S. to Advise Boosters for Most Americans 8 Months After Vaccination


18 Aug 2021

The Biden administration has decided that most Americans should get a coronavirus booster vaccination eight months after they received their second shot, and could begin offering third shots as early as the third week of September, according to administration officials familiar with the discussions.


How gut microbes could drive brain disorders


13 Aug 2021

Scientists are starting to work out how the gut microbiome can affect brain health. That might lead to better and easier treatments for brain diseases.


F.D.A. to Authorize Third Vaccine Dose for People With Weak Immune Systems


12 Aug 2021

The decision to expand the emergency use of both the Pfizer-BioNTech and Moderna vaccines is meant to help transplant recipients and others whose immune systems are similarly compromised.


Most children recover quickly from Covid, but some have lingering symptoms, a study says.


04 Aug 2021

Most children with Covid-19 recover within a week, but a small percentage experience long-term symptoms, according to a new study of more than 1,700 British children. The researchers found that 4.4 percent of children had symptoms that last four weeks or longer, while 1.8 percent have symptoms that last for eight weeks or longer.




Articles


Randomized Trial of a Third Dose of mRNA-1273 Vaccine in Transplant Recipients


11 Aug 2021

In organ-transplant recipients, the standard two-dose vaccination strategy for coronavirus disease 2019 (Covid-19) has suboptimal immunogenicity.1 Both patients and health care providers have questioned whether a third-dose booster in transplant recipients would be safe and enhance immune response.2 We performed a double-blind, randomized, controlled trial of a third dose of mRNA-1273 vaccine (Moderna) as compared with placebo (the protocol is available with the full text of this letter at NEJM.org; ClinicalTrials.gov number, NCT04885907. opens in new tab).




Long-term Symptoms After SARS-CoV-2 Infection in Children and Adolescents


15 Jul 2021

Children can experience SARS-CoV-2 postviral syndromes, but it is unclear to what extent these individuals are affected by long COVID. Evidence is predominantly limited to select populations without control groups,1-4 which does not allow estimating the overall prevalence and burden in a general pediatric population. We compared symptoms compatible with long COVID in children and adolescents (hereafter “children”) reported within 6 months after SARS-CoV-2 serologic testing.




Study Suggests Lasting Immunity After COVID-19, With a Big Boost From Vaccination


14 Jul 2021

After an infection with SARS-CoV-2, most people—even those with mild infections—appear to have some protection against the virus for at least a year, a recent follow-up study of recovered patients published in Nature suggests. What’s more, this and other research demonstrates that vaccinating these individuals substantially enhances their immune response and confers strong resistance against variants of concern, including the B.1.617.2 (delta) variant.




Return to Play After COVID-19 Infection in Children


28 Jun 2021

As the pandemic continues, children may experience long-term effects from COVID-19 infections. Because children may become “long haulers” or develop multisystem inflammatory syndrome in children (MIS-C), close monitoring after a COVID-19 diagnosis is important. In addition, children who are athletes require a separate return-to-play evaluation before they return to competitive sports or physical activities.




Association of Mask Mandates and COVID-19 Case Rates, Hospitalizations, and Deaths in Kansas


23 Jun 2021

This study examined the association between mask mandates in Kansas counties and COVID-19 cases, hospitalizations, and deaths. The Kansas executive order that took effect on July 3 was adopted by only 15 counties, and 68 counties did not have a mandate through October. A second mask mandate order took effect on November 25, and 40 additional counties adopted it.




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