With increasing time since diagnosis, only the severe infections continued to cause symptoms.
The loss of activity is equivalent to 15% of the US population becoming completely immobile for 1 day.
Adult COVID-19 patients also infected with the flu are 4 times more likely to need mechanical ventilation and 2.4 times more likely to die.
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A cohort study of more than 2,000 US and Canadian women indicates that COVID-19 vaccination does not impair fertility—but men who become infected with SARS-CoV-2 may experience short-term reduced fertility, according to surveys of the women's partners.
Needless insurer spending on ivermectin prescriptions for COVID-19, estimated at $2.5 million in the United States for the week of Aug 13, 2021—the most recent week analyzed—would extrapolate to $130 million annually, US researchers reported yesterday in JAMA.
The US COVID-19 vaccination program may have averted 14 million infections, saved more than 240,000 lives, and prevented upwards of 1.1 million hospitalizations in the first half of 2021, according to estimates from a modeling study yesterday in JAMA Network Open.
For the week ending Jan 1, most US flu indicators rose, with the season still dominated by H3N2 and now affecting a range of age-groups and hitting the northeastern and central regions hardest, the US Centers for Disease Control and Prevention (CDC) said today in its latest weekly update.
US flu markers rose again last week, though reporting may be impacted by holiday-related delays, the US Centers for Disease Control and Prevention (CDC) said today in its weekly update, which covers the week ending Dec 25.
The incubation period for the Omicron variant may be shorter than for Delta and the original SARS-CoV-2 virus, Nebraska researchers reported yesterday, based on an analysis of the first known Omicron cluster in the United States. The team reported its findings yesterday in an early online edition of Morbidity and Mortality Weekly Report (MMWR).
United States flu activity jumped again the week ending Dec 18, with eight states reporting high or very high activity and the first two pediatric flu deaths reported for the season, the US Centers for Disease Control and Prevention (CDC) said today in its regular update.
A team of pediatricians in Massachusetts has developed a new metric for capturing the range of antibiotic prescribing among pediatricians for common clinical scenarios.
COVID-19 breakthrough infections in fully vaccinated US adults substantially boosted humoral immunity and demonstrated cross-neutralization against the Delta (B1617.2) variant, despite mostly mild illness, finds a small study yesterday in JAMA.
Humoral immunity involves antibodies secreted by B cells circulating in bodily fluids.
The World Health Organization (WHO) announced yesterday that it has received more than $21 million from Saudi Arabia to support implementation of national antimicrobial resistance (AMR) action plans in several low- and middle-income countries.
