Nasal viruses may drive allergic rhinitis, and ribavirin shows early promise as a targeted spray treatment

	Allergy
	The latest Allergy news from News Medical

	Nasal viruses may drive allergic rhinitis, and ribavirin shows early promise as a targeted spray treatment Nasal commensal viruses may worsen allergic rhinitis by activating type I IFN-linked neutrophils and NET formation. Ribavirin reduced nasal viral abundance and improved symptoms in mice and in a small phase 2 trial.

	Review highlights strong safety and effectiveness of mRNA vaccines A comprehensive new review published in The Lancet affirms that currently approved mRNA vaccines are safe and highly effective at preventing infectious diseases, including COVID-19.

			Trial identifies 4 grams a day as the tested safe level for L-tyrosine in healthy men A randomized, crossover trial in healthy adult men found that 4 weeks of L-tyrosine supplementation at doses up to 4 g/day did not cause clinically meaningful changes in safety markers, diet, blood pressure, or body measures. The highest tested dose, 4 g/day, was identified as the no-observed-adverse-effect level under the study’s four-week conditions, although broader and longer-term studies are still needed.

			Gut fungi play key role in pediatric allergic diseases development Two new studies jointly published in Nature: The Clinical Microbiome reveal that certain species of fungi in the gut play a key role in the development of immune dysregulation and some pediatric allergic diseases - and may be promising targets for new therapies.

			New polymer hydrogel contact lenses heal scratches with UV light Contact lenses are a great vision correction option for many, but if one of them gets damaged, there is little to do other than throw it away.

	The Simple Way to Help Protect Your Dog’s Stomach Before a Kennel Stay Dog owners preparing for summer holidays are being urged to think about their pet’s food routine before a kennel stay, as search data shows rising demand for boarding options ahead of the busy June and July travel period.

	New Study Reveals How Skin Immune Cells Shape Long-Term Health Researchers at the Hospital for Special Surgery (HSS) have discovered a vital relationship between the immune system's early development and adult function.

	Impact of climate change on pollen levels is already being felt - Nutritionist shares simple kitchen remedies to ease symptoms Hay fever sufferers across the UK are facing longer and more intense allergy seasons, as new research reveals the impact of climate change on pollen levels is already being felt.

	New discovery sheds light on how the human body controls Salmonella infections Salmonella, an infection that causes diarrhea, fever, and abdominal pain, is the most common form of bacterial food poisoning in the U.S., sickening more than a million people each year.

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