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Researchers develop a method to detect SARS-CoV-2 and variants simultaneously

Researchers develop a method to detect SARS-CoV-2 and variants simultaneously Researchers demonstrate a method of detecting the presence and mutations in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus using the smaller and cheaper Oxford Nanopore sequencer, a method they believe could make pandemic surveillance faster and cheaper. The coronavirus disease 2019 (COVID-19) pandemic has led to great research efforts in viral diagnostics. New methods have been developed to reduce diagnosis time and cost, increase sensitivity and specificity, and allow large-scale diagnostic methods to be carried out. Several strategies were proposed that used massive parallel DNA sequencing for large-scale diagnostics. These methods used DNA molecular barcodes during sample preparation, pooling the samples for doing the assay “in one run,” and breaking down the results using bioinformatics processing.

Why COVID-19 patients have more pathogenic bacteria in their noses

Researchers compared the nasal microbiome of coronavirus disease 2019 (COVID-19) patients, healthy individuals, and healthcare workers. These studies indicated an increase in the pathogen Pseudomonas aeruginosa present in the nasal microbiome of COVID-19 patients, which may be responsible for other secondary infections.

Do mixed COVID-19 vaccines provide immunity?

Do mixed COVID-19 vaccines provide immunity? The initial results of the CombivacS trial found that the antibody levels in individuals increased by 150 times when the Pfizer messenger ribonucleic acid (mRNA) vaccine was given after a first dose of the AstraZeneca severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine, with only mild common side effects. Introduction The AstraZeneca coronavirus disease 2019 (COVID-19) vaccine was suspended by several countries in the European Union following reports of blood clots leading to deaths in some people who had previously received the vaccine. The halt in AstraZeneca vaccinations has led many to question how they will complete vaccinations for people who have already received the first dose of this vaccine.

Study analyzes the risk of other medical conditions after recovery from COVID-19

Study analyzes the risk of other medical conditions after recovery from COVID-19
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B 1 1 7 not associated with change in serial interval of COVID-19

B.1.1.7 not associated with change in serial interval of COVID-19 With data obtained from the Virus Watch study in England and Wales, researchers found that the serial interval of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is broadly similar to estimates from previous studies and there is no evidence that the B.1.1.7 variant is associated with any change. Serial interval is a key parameter in epidemiological studies of infectious diseases. It is an estimation of the spread of the disease and is often measured as the time interval between symptom onset in a primary case and the onset of symptoms in the secondary cases infected by the primary case. Serial interval is an important parameter used in disease transmission models and can help guide control strategies.

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