After a November and December in which realities like a “tridemic” of viral threats sickened residents throughout Suffolk County, the new year has started off with fewer illnesses and cautious optimism among health care professionals. “The numbers are coming down now,” said Dr. Sharon Nachman, chief of the...
New research looking at health records from nearly half a million people has identified 22 different associations between viral infections and neurodegenerative diseases. Influenza, encephalitis and other viral infections all were linked to increased rates of brain diseases such as Parkinson's, Alzheimer's and MS. The idea that viral infections can...
Whether and how baseline immune states may be altered by viral infections remains unclear. In Nature, Tsao and colleagues evaluated the immune responses to vaccination against influenza in healthy people who had not been vaccinated against COVID-19 and had recovered from non-severe COVID-19 (COVR; n = 33) versus those of age- and sex-matched control participants who had never had COVID-19 (HC; n = 44). Up to 150 days after COVID-19, monocyte frequencies were higher in male COVR participants than in female COVR or male HC participants, whereas male and female COVR participants had higher transcriptional signatures of T cell activation and lower expression of innate immune receptors in monocytes than those of HC participants. After vaccination against influenza, male COVR participants had stronger inflammatory responses, in particular interferon-γ-related transcriptional responses, and stronger influenza-specific antibody responses than those of male HC or female COVR participants, which correlated with enrichment for effector memory GPR56+CD8+ T cells that make interferon-γ in response to the cytokines IL-15, IL-12 and IL-18 (possibly in an antigen-independent manner) in male COVR participants before vaccination. Vaccination against influenza normalized the innate immune receptor transcriptional signature in monocytes, especially in female COVR participants, although the functional relevance of this change remains to be determined.
ATHENS – Infection rates for Covid-19, along with hospitalizations and intensive care dropped during the week of January 16-22, while the rate of influenza infections did not present a great change, according to the National Public Health Organization. The weekly report presents information on viral infections of the pulmonary...
Common viral infections may be having far-reaching effects on our brain health, new research suggests. The study found a link between dozens of different viral exposures and a later increased risk of Alzheimer’s disease and other brain disorders. More research will be needed to untangle the true role, if any, these infections could play in causing these conditions, however.
SAN ANTONIO — Common viral infections — such as the flu, rhinovirus and enterovirus — have declined significantly in San Antonio after peaking several months ago, according to three of the city’s largest hospital systems. Those illnesses have been steadily receding throughout January, which Dr. Bryan...
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It’s no secret that a healthy diet is the cornerstone of a healthy life. And your eyes are not immune to the effects of colourful fruit and veg either. What’s more, certain foods could help reduce your risk of eye infections that can be more prevalent during the colder months, according to an expert.
Flu cases across New York State have been declining rapidly since the holidays. Numbers have been decreasing by up to 50% per week, according to the state’s flu tracker. The week ending on Jan. 7, Monroe County reported 333 new influenza cases. The following week that number dropped to 132.
Huge health-record review links viral illnesses to elevated risk of brain disease. Plus, Earth’s inner core might have slowed its spin and many of Australia’s researchers are miserable at work. Flora Graham. You have full access to this article via your institution. Hello Nature readers, would you like...
Assistant Research Professor of Neurology, University of Colorado Anschutz Medical Campus. Professor of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus. Maria Nagel. Professor of Neurology and Ophthalmology, University of Colorado Anschutz Medical Campus. One in nine Americans ages 65 and over had Alzheimer’s disease in 2022, and...
