vaccine, microbiology

Researchers say they’re abandoning the project in its current form—one of several that aims to induce what’s known as mucosal immunity against SARS-CoV-2.

Recent studies have lent support for a variety of hypotheses explaining the debilitating symptoms affecting millions of people after SARS-CoV-2 infection.  

BA.2.75 is spreading rampantly in India and has so far reached at least 20 other countries, but it doesn’t seem to be outcompeting other Omicron SARS-CoV-2 subvariants.

Analyses suggest the virus has been silently spreading in nearby counties since May.

Studies show that a fourth mRNA vaccine dose offers the elderly and other high-risk groups strong protection against hospitalization and death from COVID-19, but experts say benefits for other populations may be more limited.

The Scientist asks Brigham and Women’s Hospital infectious disease specialist Lindsey Baden about testing for prior infections.

Agency members express hope that the availability of a traditional, protein-based vaccine might convince holdouts to get vaccinated.

The longer and farther the virus spreads, the more likely it could become endemic in new areas, says UCLA epidemiologist Anne Rimoin.

Moderna and Pfizer-BioNTech shots could be given to the youngest kids as early as June 21.

US adults are now only eligible for the vaccine under certain circumstances.

So far this season, tens of millions of birds have died of disease or been culled, driving up prices of eggs, chicken, and turkey meat.

Malawi and its neighbors plan to vaccinate 9.4 million children against polio in the coming week to combat a suspected outbreak.

The first part of 2022 is giving us a glimpse of humanity’s future relationship with COVID-19.