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In US news, the FDA is considering whether a fourth mRNA COVID-19 vaccine dose will be necessary.
Three Moderna doses were more effective against Delta than against Omicron, and protection waned over time, but they were highly protective against hospitalization with either subtype.
The European Centre for Disease Prevention and Control (ECDC) yesterday issued a warning about an ongoing outbreak of the multidrug-resistant yeast Candida auris in Italy.
Infection with the SARS-CoV-2 Omicron BA.2 subvariant shortly after an initial infection with the Omicron BA.1 subvariant—the original Omicron strain—is rare, occurring mostly in young, unvaccinated people with mild symptoms, according to a non–peer-reviewed Danish study.
The new UK COVID-19 plan was met with strong pushback from several in the science and medical communities.
So far, highly pathogenic avian flu outbreaks have hit poultry in 5 states.
A study of US veterans who developed Clostridioides difficile infection (CDI) within 30 days of a dental antibiotic prescription found that nearly 80% received guideline-discordant antibiotics, researchers reported today in Infection Control & Hospital Epidemiology.
Lower percentages of US children visited an emergency department (ED) for any indication amid the COVID-19 pandemic, while adolescent girls accounted for the largest hikes in visits for mental illness, according to two Centers for Disease Control and Prevention (CDC) studies published late last week in Morbidity and Mortality Weekly Report (MMWR).
In the ivermectin group, 22% became severely ill, vs 17% in the standard-care group.
A meeting of 53,000 people was not a super-spreader, with social contact outside the center being a risk factor.
In US COVID-19 developments, Hawaii is the only state with a mask mandate still in place.
An analysis of prescribing data from more than 80 countries found that global antimicrobial consumption declined prior to the COVID-19 pandemic, researchers reported today in the Journal of Antimicrobial Chemotherapy.
Our weekly wrap-up of antimicrobial stewardship & antimicrobial resistance scans
The risk of hospitalization, intensive care unit (ICU) admission, and death was much lower among more than 9,000 Canadian COVID-19 patients infected with the Omicron variant than among matched Delta patients, according to a study published yesterday in JAMA.
The risk of hospitalization or death with Omicron was 41% of—and the risk of death was one-tenth of—that of Delta.
When firms reach FDA approval then go under, "the problem must be the market."
The University of Wisconsin and Purdue University announce the easing of mask requirements.
One study shows more than 90% vaccine protection post-infection, even when the shot follows infection by 18 months.
"We need to ... address these conditions now before they balloon into a much larger mental health crisis."
A new review of 15 studies analyzed by the UK Health Security Agency (UKHSA) shows COVID-19 vaccination is protective against developing symptoms of long COVID, or symptoms lasting longer than 4 weeks after the initial infection.
The Indiana Board of Animal Health (IBAH) said today that initial tests at a third turkey farm in the state are positive for H5 avian flu. The new detection marks the United States' fifth recent outbreak in poultry. Further testing is under way to assess if the virus is the same highly pathogenic H5N1 strain that struck the first Indiana farm.
