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.

Children were hospitalized the most during the Omicron variant, but disease outcomes were the least severe during this variant period.

Although vaccine rates overall remain high, a new report shows a reduction 2 years in a row, leaving thousands of children not vaccinated against vaccine-preventable viruses.

Tenofovir alafenamide (TAF) and tenofovir disoproxil fumarate (TDF), antiretroviral drugs used to treat HIV and hepatitis B, may be simultaneously depleting the energy of immune cells.

A retrospective study showed that exercise was found to have a protective association to adverse COVID-19 outcomes.

What is the hepatitis C treatment uptake among people who inject drugs?

Interleukin-6 receptor antagonists and antiplatelets are highly likely to improve long-term survival of critically ill adults with COVID-19, a recent study suggests.