Do previously infected people still benefit from vaccination against COVID-19?

In a recent study published in PLOS medicine, researchers determined the vaccine effectiveness (VE) of the primary vaccination course for coronavirus disease 2019 (COVID-19). They determined VE against reinfection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), COVID-19-related hospitalization and mortality. In this way, the researchers assessed the effect of time since vaccination during the … Read more

China sticks to zero COVID and extends lockdowns as cases hit a daily record

Pandemic lockdowns are expanding across China, including in a city where factory workers clashed with police this week as the number of COVID cases hits a daily record. Most important points: The number of new COVID cases rose by 31,444 in the past day, the highest daily figure since the initial discovery of the coronavirus … Read more

Violent protests erupt at China’s largest iPhone factory – Business

Violent protests have erupted around Foxconn’s massive iPhone factory in central China as workers clashed with security personnel over the factory’s Covid restrictions. This is evident from videos shared on Weibo and Twitter AFP hundreds of workers can be seen crossing a road in daylight, some facing riot police and people in safety suits. A … Read more

Myocarditis after COVID vaccination is rare, but more common in younger men

In a recent study published in the Journal of the Canadian Medical Association, researchers observed the incidence of myocarditis after messenger ribonucleic acid (mRNA)-based vaccination against coronavirus disease 2019 (COVID-19). In addition, they compared their estimates to expected rates based on the historical rates assessed before the COVID-19 vaccine rollout in British Columbia (BC), Canada. … Read more

The biological properties of the SARS-CoV-2 E protein in the context of HIV-1

In a recent study published in Retrovirologyresearchers assessed the effectiveness of SARS-CoV (Severe Acute Respiratory Syndrome) and SARS-CoV-2 envelope (E) proteins against human immunodeficiency virus (HIV)-1. Study: SARS-CoV-2 and SARS-CoV envelope proteins potently reduce the infectivity of human immunodeficiency virus type 1 (HIV-1). Image credit: Corona Borealis Studio/Shutterstock Background Viroporins are ion channels expressed by … Read more

Increased incidence and risk of a new diagnosis of diabetes after COVID-19

In a recent study published in the journal BMC medicineresearchers estimate the prevalence of new diabetes after coronavirus disease 2019 (COVID-19). Despite the numerous vaccines and antiviral therapies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the COVID-19 pandemic continues to threaten public health and the economy, with more than 634 million cases and more … Read more

China’s Xi seeks to claim diplomatic victory in battle for global influence after summit whirlwind

Editor’s Note: A version of this story appeared in CNN’s Meanwhile in China newsletter, a thrice-weekly update exploring what you need to know about the country’s rise and how it’s affecting the world. Register here. Bali, Indonesia CNN — Xi Jinping may have dismissed US President Joe Biden’s description of the 21st century as a … Read more

Variety of flu that hits children and seniors harder than other strains is currently dominant in the US

A sign advertising flu shots is displayed at a Walgreens pharmacy in San Francisco, California, on January 22, 2018. A strong strain of the H3N2 flu has claimed the lives of 74 Californians under the age of 65 since flu season began last October. Justin Sullivan | Getty Images A variant of the flu that … Read more

Scientists investigate isolation of bat sarbecovirus in Japan

In a recent study published in Emerging infectious diseasesresearchers conducted bat sarbecovirus isolation experiments using Horned Rhinolophus bats from different regions in Japan that were phylogenetically situated in the same cluster of viruses associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Study: Isolation of Bat Sarbecoviruses, Japan. Image Credit: Independent Birds/Shutterstock Highly pathogenic human … Read more

How gut microbes influence the immune response to SARS-CoV-2

An article published in Critical Assessments in Food Science and Nutrition journal reviews the role of the gut microbiota in shaping the host immune response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Study: Gut microbiome and antiviral immunity in COVID-19. Image credit: Design_Cells / Shutterstock Background SARS-CoV-2, the causative agent of the 2019 coronavirus … Read more