New study helps to better understand re-infection rates and correlates of protection for SARS-CoV-2

New compound delivered in a nasal spray effectively treats delta variant infection in mice

By uniting research from 8 cohorts across the US, a group of researchers has accelerated collection of integral data in answering questions about immune responses needed for long lasting protection from SARS-CoV-2. The description of the cohorts, the assays used and the definitions for events were reported recently in the journal mSpherean open access journal … Read more

Incidence of arterial and venous thromboembolism and death in COVID-19 patients

Study: Venous or arterial thrombosis and deaths among COVID-19 cases: a European network cohort study. Image Credit: MattLphotography/Shutterstock

In a recent study published in Infectious Diseasesresearchers estimated the incidence of arterial or venous thrombosis in patients with coronavirus disease 2019 (COVID-19). Study: Venous or arterial thrombosis and deaths among COVID-19 cases: a European network cohort study. Image Credit: MattLphotography/Shutterstock Background COVID-19 could cause arterial/venous thromboembolism due to inflammation, activation of platelets, endothelial dysfunction, … Read more

I’ve got COVID-19 symptoms, but a negative RAT, so how do I know if I’m testing properly?

Generic pic of rapid antigen test for COVID

Rapid antigen tests (RATs), have found their way into homes across the country, allowing us to test for COVID-19, with the results available minutes later. They’re easy to use and help expand the capacity of labs that process PCR tests, especially when they’re under pressure to produce results quickly. While RATs are recognized to be … Read more

Study explores lipid nanoparticles against SARS-CoV-2

Study: Delivery of Circular mRNA via Degradable Lipid Nanoparticles against SARS-CoV-2 Delta Variant. Image Credit: Crevis/Shutterstock

In a recent study posted to the bioRxiv* preprint server, researchers assessed the efficiency of lipid nanoparticles against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Study: Delivery of Circular mRNA via Degradable Lipid Nanoparticles against SARS-CoV-2 Delta Variant. Image Credit: Crevis/Shutterstock Messenger ribonucleic acid (mRNA) vaccines have played an instrumental role in curbing coronavirus disease … Read more

‘Huge’ pressure for Shanghai to stay COVID-free as end to lockdown looms

Several people in HAZMAT suits in an elevator

Health authorities in Shanghai are facing “huge” pressure to keep China’s most populous city free of COVID-19 as residents are counting down the days until June 1 and the end of their lockdown after almost two months of isolation. Key points: Shanghai health authorities warn of risks of COVID-19 rebound Some migrant workers are looking … Read more

Evaluating SARS-CoV-2 infection risk in indoor environments

Study: Transmissibility of coronavirus and its variants from infected subjects in indoor environments. Image Credit: Elizaveta Galitckaia / Shutterstock

In a recent study under review at the Scientific Reports journal and posted to the Research Square* preprint server, researchers evaluated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection risk for indoor scenarios. Study: Transmissibility of coronavirus and its variants from infected subjects in indoor environments. Image Credit: Elizaveta Galitckaia / Shutterstock Background Apart from … Read more

Shanghai aims to reopen more businesses shut down by COVID-19 lockdown, Beijing battles on

A worker in a protective suit is pictured behind barriers sealing off an area in a city.

Shanghai will gradually begin reopening businesses such as shopping malls and hair salons in China’s financial and manufacturing hub from Monday after weeks in strict COVID-19 lockdown, while Beijing battles a small but stubborn outbreak. Key points: Vice Mayor Chen Tong gave a COVID-19 briefing on Sunday Shopping malls, department stores, and supermarkets will begin … Read more

At least 450 children across 20 countries now suffering from acute hepatitis

At least 450 children across 20 countries now suffering from acute hepatitis

Global cases of acute hepatitis among children have grown sharply to 450 children across at least 20 countries since the outbreak was first brought to the attention of the World Health Organization (WHO) by the Scottish National Health Service in early April. Acute hepatitis is an inflammation of the liver that can lead to imminent … Read more

Experts attribute Victoria’s COVID-19 rate rise to change in weather, waning immunity

A healthcare worker prepares a vaccine at a hub in Melbourne.

As Victorians emerged from two years largely defined by lockdowns, the start of 2022 was marked by the sharp rise and fall of cases as a wave of Omicron swept through. That wave, which peaked in early January with tens of thousands of cases per day, subsided somewhat, but epidemiologists warned there would be more … Read more