Jonna Lorenz

Nursing home residents who had recovered from COVID-19 showed robust antibody levels against the SARS-CoV-2 spike protein after 1 dose of messenger RNA (mRNA) vaccine, a study in France showed.

Short-course antibiotics are preferable for certain common bacterial infections, including acute bronchitis, pneumonia, urinary tract infection and cellulitis, the American College of Physicians said in a report issuing practice advice.

The US Food and Drug Administration released an investigation report on the fall 2020 outbreak of Shiga toxin-producing Escherichia coli (STEC) O157:H7 linked to leafy greens grown in California and updated the Leafy Greens Action Plan.

Current evidence remains uncertain to predict natural immunity conferred by SARS-CoV-2 infection, according to living practice points developed by the American College of Physicians (ACP), which urges patients to continue infection prevention practices such as hand washing, mask wearing and maintaining physical distance.

Simplifying access to hepatitis C virus care, including decentralized community-based care and task shifting to non-specialists, could improve testing and treatment for patients in settings with limited resources.

Infection control efforts to combat hospital-onset Clostridioides difficile infection may be better spent on health care workers’ hand hygiene compliance and environmental cleaning than on visitor contact precautions, a new study suggests.

Intermediate-dose prophylactic anticoagulation did not improve mortality or venous or arterial thrombosis in patients with COVID-19 in the ICU compared with standard dosing, a new study found.

Half of patients hospitalized with COVID-19 at a hospital in France reported ongoing symptoms 4 months after hospitalization, a new study found.

Spero Therapeutics expects to submit a new drug application this year for Tebipenem HBr, the first oral carbapenem for treatment of complicated urinary tract infections (cUTI) and acute pyelonephritis (AP).

Rates of serious clinical complications of Clostridioides difficile infection rose as the number of recurrent infections increased, underscoring the importance of advancing new treatments to prevent recurrence of the disease, a recent study in SAGE Open Medicine found.

Macrolide-resistant strains of Streptococcus pneumoniae account for almost 40% of infections overall, a new study found.

Symptoms of COVID-19 can persist for months in about a third of cases, including among those with mild illness, a new study confirms.

Vaccine clinical trials have fallen short of diversity guidelines during the past decade, with minority groups underrepresented and key data missing in many trials, a new study found.

Investigators at Cedars-Sinai Medical Center identified a variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), called CAL.20C, which accounted for about 44% of samples in Southern California in January.

Children are about half as susceptible as adults to contracting COVID-19, according to new research from Israel.

HIV testing and initiation of antiretroviral therapy (ART) fell in South Africa during the national lockdown in response to the coronavirus disease 2019 (COVID-19) pandemic, a new study shows.

Clostridioides difficile thrives in an environment of inflammation which found that inflammation provides nutrients for C. diff and creates an inhospitable environment for competing bacteria.

Health care workers hospitalized with COVID-19 showed no greater risk than the general public for mechanical ventilation or death, and may actually have less risk of ICU admission and shorter hospital stays, a new study found.

US counties that scored higher on the Social Vulnerability Index, which includes such factors as poverty, unemployment and education, saw higher incidence rates of COVID-19 cases and deaths, a University of Michigan study found.

Adherence to nonpharmaceutical interventions such as staying home and avoiding eating in restaurants dropped during the pandemic, while use of face masks increased, according to a new report.

Moderately ill patients hospitalized with COVID-19 were less likely to require life support after receiving full-dose anticoagulation treatment, according to interim results of a multiplatform randomized trial.

Saliva testing for coronavirus disease 2019 (COVID-19) is as effective as the standard nasopharyngeal tests, according to a new study by investigators at McGill University.

Among people living with HIV, lower white blood cell counts were associated with smaller brain volume in the hippocampus and thalamus, a new study found, suggesting the possibility of generalizable neurologic signatures of HIV infections.

An assessment of literature on imaging findings of children with coronavirus disease 2019 (COVID-19) found more systematic reviews than primary studies, raising concerns about wasteful repetition, according to a research letter in JAMA Network Open.

The bowel resting strategy might reduce switching from metronidazole to vancomycin among patients with Clostridioides difficile infection, but it might not reduce mortality or recurrence, a new study found.

A new study of COVID-19 interventions in the 2 countries shows how lockdowns and public recommendations are associated with reductions in the mobility of visitors to public spaces.

Increased age, male sex and underlying health conditions including diabetes and kidney disease were associated with a higher risk of all-cause mortality among nursing home patients with COVID-19, a new study found.

A new article shows that breastfeeding after receiving dolutegravir in late pregnancy contributed relatively little infant plasma exposure but additional prophylaxis was reported among some.

Between March 1 and July 31, there were 76088 deaths among Americans aged 25 to 44, amounting to 11899 (18.5%) more than expected during that timeframe, new research shows.

A new study from Italy provides evidence that new mothers with COVID-19 can safely breastfeed and stay together in the same room with their newborns after delivery if they follow safety precautions.