The most-cited reasons for not getting new COVID-19 boosters were lack of awareness about eligibility and overestimations of their own existing immunity.
A randomized trial found that antibiotics used to treat Heliobacter pylori infections had lower-than-accepted eradication rates in patients previously treated for COVID-19.
Moderate to severe COVID-19 from the Omicron variant was nearly three times more likely in women who received no vaccines during pregnancy.
The researchers say placentas of pregnant women infected with SARS-CoV-2 should be examined after testing positive.
The state will launch a pilot program to test wastewater for flu, hepatitis A, norovirus, and antimicrobial-resistance genes.
The study shows people with dementia faced continued challenges in care even after the acute phase of the pandemic.
Residents not up to date on recommended COVID-19 vaccines were at a 30% to 50% higher risk for infection.
A 5-year study of US hospital data illustrates trends in E coli and Klebsiella pneumoniae isolates carrying beta-lactamase antibiotic resistance genes.
Boosters lower the risk of death among adults more than 90% and increase protection against severe disease in children aged 5 to 11 years by 77%, new data reveal.
Despite PCR's higher sensitivity, frequent testing with rapid antigen tests can top their performance, a study of pro soccer players finds.
COVID-19 cases have declined 78% worldwide over the past 28 days, but deaths rose 65% over the same period, the WHO says.
The global vaccination rate in 2022 for people older than 60 was 76%, but it was only 33% in low-income countries.
Overall 2-dose protection against Omicron-related hospitalization or death remained above 70% for at least 6 months.
Early in COVID-19, rates of lung and breast cancer screenings among Medicare enrollees were 24% and 17%, respectively, below expected rates, rising to -14% and -4% later on.
Over the first 2 years of the pandemic, global antibiotic sales increases were linked with rises in COVID-19 cases.
Early during COVID-19, 622 more US physicians died than expected, but no excess deaths occurred after April 2021, when vaccines were broadly available.
Data reveal that 60% of cancer patients still have COVID-19 symptoms for 7 months after infection, similar to the general population.
Antibiotic prescribing for upper respiratory tract infections increased in the 2 years after COVID-19 lockdown measures were implemented.
The WHO has abandoned plans for the second phase of its study into SARS-CoV-2 origins because of challenges it faced doing key studies in China.
Rates of COVID-19 rebound were similar in patients who did and didn't receive antiviral drugs, and relapse wasn't tied to worse clinical outcomes.
People with asthma experienced worse control of their asthma after they had recovered from mild to moderate COVID-19.
The company will offer no-cost access to vaccines after the government phases out covering them when the Public Health Emergency winds down in May.
Adults hospitalized with SARS-CoV-2 Omicron infections in Switzerland died at 1.5 times the rate of those diagnosed as having influenza A or B.
Moderna vaccine effectiveness against symptomatic Omicron was 60% 2 weeks to 2 months after the second dose and 36% from 3 to 4 months after the second dose.
Also, the single available medical code for long COVID may not capture the wide variation in symptoms and severity.