Medical Health Cluster

infection

‘No Guarantee of Anti-N Antibodies’ From COVID Infection

Around 1 in 5 infected with SARS-CoV-2 don’t develop anti-N antibodies, according to King’s College London research. The ZOE COVID Study of 8193 previously infected people found 81% tested positive for anti-N antibodies, arising from natural infection rather than vaccination, between April and August 2021. The likelihood of having these […]

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Resurgence of SARS-CoV-2 Infection in a Highly Vaccinated Health System Workforce

TO THE EDITOR: In December 2020, the University of California San Diego Health (UCSDH) workforce experienced a dramatic increase in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections. Vaccination with mRNA vaccines began in mid-December 2020; by March, 76% of the workforce had been fully vaccinated, and by July, the […]

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7 Months After Infection, SARS-CoV-2 Antibody Levels Remain Stable or Even Increase

The levels of IgG antibodies against SARS-CoV-2 Spike protein remain stable, or even increase, seven months after infection, according to a follow-up study in a cohort of healthcare workers coordinated by the Barcelona Institute for Global Health (ISGlobal), an institution supported by “la Caixa” Foundation, in collaboration with the Hospital […]

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English Study Finds 50%-60% Reduced Risk of COVID for Double-Vaccinated

LONDON, Aug 4 (Reuters) – Fully-vaccinated people have an around 50 to 60% reduced risk of infection from the Delta coronavirus variant, including those who are asymptomatic, a large English coronavirus prevalence study found on Wednesday. Imperial College London researchers said people who reported receiving two vaccine doses were half […]

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Diagnostic accuracy of rapid antigen tests in asymptomatic and presymptomatic close contacts of individuals with confirmed SARS-CoV-2 infection: cross sectional study

Abstract Objective To assess the diagnostic test accuracy of two rapid antigen tests in asymptomatic and presymptomatic close contacts of people with SARS-CoV-2 infection on day 5 after exposure. Design Prospective cross sectional study. Setting Four public health service covid-19 test sites in the Netherlands. Participants 4274 consecutively included close contacts (identified through test-and-trace […]

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Clinical Spectrum of SARS-CoV-2 Infection

Patients with SARS-CoV-2 infection can experience a range of clinical manifestations, from no symptoms to critical illness. This section of the Guidelines discusses the clinical presentation of SARS-CoV-2-infected individuals according to illness severity. In general, adults with SARS-CoV-2 infection can be grouped into the following severity of illness categories. However, […]

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Swollen Lymph Nodes After COVID Vaccine May Mean Previous Infection

People who experience particular side effects after receiving a COVID-19 vaccine, such as swollen lymph nodes, may have previously been infected with the coronavirus, according to a new study published on the medRxiv preprint server. The study hasn’t yet been peer-reviewed. Common side effects such as fever, fatigue, muscle pain and joint […]

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