Spatially Patterned Neutralizing Icosahedral DNA Nanocage for Efficient SARS-CoV-2 Blocking

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

Broad-spectrum anti-SARS-CoV-2 strategies that can inhibit the infection of wild-type and mutant strains would alleviate their threats to global public health. Here, we propose an icosahedral DNA framework for the assembly of up to 30 spatially arranged neutralizing aptamers (IDNA-30) to inhibit viral infection. Each triangular plane of IDNA-30 is composed of three precisely positioned aptamers topologically matching the SARS-CoV-2 spike trimer, thus forming a multivalent spatially patterned...

Projecting the SARS-CoV-2 transition from pandemicity to endemicity: Epidemiological and immunological considerations

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

In this review, we discuss the epidemiological dynamics of different viral infections to project how the transition from a pandemic to endemic Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) might take shape. Drawing from theories of disease invasion and transmission dynamics, waning immunity in the face of viral evolution and antigenic drift, and empirical data from influenza, dengue, and seasonal coronaviruses, we discuss the putative periodicity, severity, and age dynamics of...

Interim Recommendations of the Advisory Committee on Immunization Practices for Use of Moderna and Pfizer-BioNTech COVID-19 Vaccines in Children Aged 6 Months-5 Years – United States, June 2022

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

On June 17, 2022, the Food and Drug Administration (FDA) issued Emergency Use Authorization (EUA) amendments for the mRNA-1273 (Moderna) COVID-19 vaccine for use in children aged 6 months-5 years, administered as 2 doses (25 µg [0.25 mL] each), 4 weeks apart, and BNT162b2 (Pfizer-BioNTech) COVID-19 vaccine for use in children aged 6 months-4 years, administered as 3 doses (3 µg [0.2 mL] each), at intervals of 3 weeks between doses 1 and 2 and ≥8 weeks between doses 2 and 3. On June 18, 2022, the...

Ab-CoV: a curated database for binding affinity and neutralization profiles of coronavirus related antibodies

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

SUMMARY: We have developed a database, Ab-CoV, which contains manually curated experimental interaction profiles of 1780 coronavirus related neutralizing antibodies. It contains more than 3200 datapoints on half maximal inhibitory concentration (IC50), half maximal effective concentration (EC50) and binding affinity (KD). Each data with experimentally known three-dimensional structures are complemented with predicted change in stability and affinity of all possible point mutations of interface...

Interleukin-6 blocking therapy for COVID-19: From immune pathogenesis to clinical outcomes

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

As a newly emerged infectious disease, the coronavirus disease 2019 (COVID-19) has caused millions of deaths, resulting in a global health challenge. Currently, several vaccines have been approved with significant benefits against disease transmission. However, effective therapies are still needed for the clinical management of infected COVID-19 patients. Available evidence has indicated elevated levels of proinflammatory cytokines, including interleukin-6 (IL-6), in COVID-19 patients, with...

IMM-BCP-01, a patient-derived anti-SARS-CoV-2 antibody cocktail, is active across variants of concern including Omicron BA.1 and BA.2

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

Monoclonal antibodies are an efficacious therapy against SARS-CoV-2. However, rapid viral mutagenesis, led to escape from most of these therapies, outlining the need for an antibody cocktail with a broad neutralizing potency. Using an unbiased interrogation of the memory B cell repertoire of convalescent COVID-19 patients, we identified human antibodies with broad antiviral activity in vitro and efficacy in vivo against all tested SARS-CoV-2 variants of concern, including Delta, Omicron BA.1 and...

Coronavirus and Paramyxovirus Shedding by Bats in a Cave and Buildings in Ethiopia

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

Bats are important hosts of zoonotic viruses with pandemic potential, including filoviruses, MERS-Coronavirus (CoV), SARS-CoV -1, and likely SARS-CoV-2. Viral infection and transmission among wildlife are dependent on a combination of factors that include host ecology and immunology, life history traits, roosting habitats, biogeography, and external stressors. Between 2016 and 2018, four species of insectivorous bats from a readily accessed roadside cave and buildings in Ethiopia were sampled...

Developing ACASI questionnaires in Borno State, Nigeria during COVID-19: Using data-informed processes to address complexity, sensitivity, and functionality of family functioning and wellbeing measures

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

Audio Computer-Assisted Self-Interview (ACASI) has become increasingly popular for collecting data on sensitive topics among populations with lower levels of literacy. However, the development of an ACASI tool is an involved process that can be further complicated when working in humanitarian contexts during the COVID-19 pandemic. This study describes the development of an ACASI tool to be used in a family-focused intervention evaluation. Participants included adolescent girls aged 10-14,...

Mental Health amid COVID-19 Pandemic: Appropriate Coping Strategies

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

COVID-19 is a global public health crisis, and is turning to be a major mental health problem. This review provides a broad overview of mental health situations during COVID-19 pandemic in Africa and globally, while some preventive methods to improve mental health conditions during the pandemic were provided. In the Africa context, various government authorities must ensure the provision and accessibility to mental health care services such as routine preventive information, mental health...

The Rising Scourge of Mental Illness and Infodemic: An Outcome of Social Media and COVID-19

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

COVID-19 was accompanied with the increasing broadcast of fake news, misinformation and excessive information via social media platforms. This phenomenon has been termed "infodemic", to describe an overwhelming amount of mostly fake, false or inaccurate information which spreads rapidly and impacts negatively on achieving a solution. It would therefore be desirable to use a cautious approach which utilizes culturally sensitive and country specific measures to deal with this occurrence. We aim to...

Death anxiety and satisfaction with life among the adults in the social isolation process of Covid-19 pandemic: the mediating role of perceived stress

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

CONCLUSIONS: The findings of the study contributed to the structuring of psychological health services to be offered within the scope of public health during the Covid-19 pandemic and the understanding of the complex nature of the relationship between psychological factors and satisfaction with life. Possible explanations and limitations were discussed.

A prospective diagnostic evaluation of accuracy of self-taken and healthcare worker-taken swabs for rapid COVID-19 testing

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

BACKGROUND: Rapid diagnostic tests (RDTs) developed for point of care detection of SARS-CoV-2 antigen are recommended by WHO to use trained health care workers to collect samples. We hypothesised that self-taken samples are non-inferior for use with RDTs to diagnose COVID-19. We designed a prospective diagnostic evaluation comparing self-taken and healthcare worker (HCW)-taken throat/nasal swabs to perform RDTs for SARS-CoV-2, and how these compare to RT-PCR.

COVID-19 Vaccine Provider Availability and Vaccination Coverage Among Children Aged 5-11 Years – United States, November 1, 2021-April 25, 2022

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

COVID-19 can lead to severe outcomes in children, including multisystem inflammatory syndrome, hospitalization, and death (1,2). On November 2, 2021, the Advisory Committee on Immunization Practices issued an interim recommendation for use of the BNT162b2 (Pfizer-BioNTech) vaccine in children aged 5-11 years for the prevention of COVID-19; however, vaccination coverage in this age group remains low (3). As of June 7, 2022, 36.0% of children aged 5-11 years in the United States had received ≥1 of...

Health Consumer Engagement, Enablement, and Empowerment in Smartphone-Enabled Home-Based Diagnostic Testing for Viral Infections: Mixed Methods Study

Di |2022-06-30T01:00:00+02:00Giugno 30th, 2022|Categorie: Coronavirus PubMed|

CONCLUSIONS: The findings provide insight into the nuanced and complex ways health consumers make decisions to engage with and perform smart HT and how they may react to positive results in terms of public-private and personal-distant dimensions. Moreover, the study illuminates the role that providers and smart HT sources can play to better support digitally engaged health consumers in the smart HT decision process.

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