Utopia Foods, Inc., issued a voluntary recall after their imported Chinese enoki mushrooms tested positive for 2 strains of Listeria monocytogenes involved in an outbreak.

The week's most-clicked COVID-19 stories included vaccine updates, new variants, and a pivotal FDA advisory committee vote.

Novavax will update its protein-based COVID-19 vaccine, but maintains the current vaccine is effective against current and future variants.

The agency would like to begin using individual risk-based questions to reduce the risk of transfusion-transmitted HIV.

The federal agency does not want clinicians utilizing this neutralizing antibody as newer, circulating COVID-19 strains and efficacy against them is limited.

The FDA’s Vaccines and Related Biological Products Advisory Committee (VRBPAC) voted to move toward a unified strain composition for COVID-19 primary and booster vaccines.

In the CDC’s latest Morbidity and Mortality Weekly Report, investigators reported the Moderna and Pfizer-BioNTech updated vaccines helped prevent acute infection from the latest Omicron mutations.

The data may help explain why COVID-19 patients experience dangerous secondary infections.

The Pfizer-BioNTech COVID-19 vaccine was associated with rare instances of myo/pericarditis and acute kidney injury, according to a nationwide study in New Zealand that confirmed the safety profile of the vaccine.

Investigators identify a mechanism that’s vital to the progression of alcohol-related hepatitis, paving the way for new treatments.

Sky-high costs with little wiggle room to negotiate mean fidaxomicin remains underprescribed for recurrent C diff, despite favorable outcomes.

If approved on its March PDUFA date, rezafungin could be the first new Candida treatment option in over a decade.

The new guidance looks at preexposure and postexposure prophylaxis as well as treatment for COVID-19.

A recreation of a failed staph vaccine trial unveiled that previous exposure to S aureus made the vaccine candidate ineffective.

A new study demonstrated continuous neutralization after 3 doses.

COVID-19 patients had a significantly higher risk of cardiovascular disease and death in both the short- and long-term.

“Vaccination coverage among pregnant women remains a priority,” the study authors noted.

Rapidly distributing vaccines to at least 1/3 of at-risk populations, in addition to increasing tasting and contact tracing, may adequately stop the spread of mpox.

In this week’s meeting, FDA is expected to ask their advisory committee to consider changes to simplify the vaccination schedule and look at delivering it annually, much like an influenza vaccine.

What factors contribute to post-COVID-19 conditions (“long COVID”)? Can vaccination before or after a COVID-19 infection decrease the risk of long COVID?

An analysis of the actions taken to combat antimicrobial resistance in 114 countries finds national action plans easier to develop than to implement.

A Chinese epidemiologist made this claim this weekend as the country gathers for its Lunar New Year celebrations.

Reported reasons adults had not received a bivalent COVID-19 booster dose differed across age groups.

Click on the slideshow images to read the full stories featured in this weekly infectious disease recap.

A mathematical modeling study for HPTN 083 demonstrated both forms of PrEP vs not taking anything remained efficacious in preventing infection.