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Are nasal-spray vaccines the solution to respiratory infectious diseases?

A recent study published in the journal Trends in Molecular Medicine reviewed the current efforts in developing nasal vaccines, delivery systems, and clinical applications for preventing respiratory illnesses. Review: Nasal vaccines: solutions for respiratory infectious diseases. Image Credit: Josep Suria / Shutterstock…

Chitin-immobilized nanobodies for SARS-CoV-2 detection

In a recent study posted to bioRxiv*, researchers demonstrated a novel strategy to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using chitin-immobilized nanobodies. Study: Efficient SARS-CoV-2 detection utilizing chitin-immobilized nanobodies synthesized in Ustilago maydis. Image Credit: CROCOTHERY/Shutterstock Background Shark…

SARS-CoV-2 transmission among asymptomatic cases is lower

In a recent study published in the BMC Medicine journal, researchers at the Norwegian Institute of Public Health explored severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission among asymptomatic cases. Systematic reviews showed that 15% to 25% of SARS-CoV-2-infected individuals…

How mRNA vaccines work without an added adjuvant

In a recent study published in the Immunity journal, researchers explored the current knowledge of the mechanism employed by messenger ribonucleic acid (mRNA) vaccines to elicit innate immune activation. The nucleoside-modified mRNA vaccines used against coronavirus disease 2019 (COVID-19) include…

How lessons from the HIV epidemic can help combat COVID-19

Three lessons learned from the human immunodeficiency virus (HIV) pandemic were published by an international group of public health researchers in April 2020 in response to the coronavirus disease 2019 (COVID-19). These included anticipation of health inequalities, engagement in multidisciplinary…

An estimated 15% of U.S. adults have long-COVID

In a recent study published in the journal JAMA Network Open, researchers in the United States estimated the sociodemographic factors associated with and prevalence of post-acute coronavirus disease 2019 (COVID-19) symptom sequelae (PASC) or long COVID (LCOVID). They also assessed…