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Sunset over the island of Helgoland in the German Bight, where the researchers from the Max Planck Institute for Marine Microbiology obtained their samples.
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SAR11 Decline Unveiled With Zombie Cells and Phage Attacks

A study by re­search­ers from the Max Planck In­sti­tute for Mar­ine Mi­cro­bi­o­logy in Bre­men, Ger­many, now re­veals that at times nearly 20% of SAR11 cells are in­fec­ted by vir­uses, sig­ni­fic­antly re­du­cing total cell num­bers.
A neuron.
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Targeting Abnormally Active B-Cell Metabolism Reduces Multiple Sclerosis Symptoms

Abnormally active metabolism in B cells drives pro-inflammatory responses that lead to myelin being attacked by T cells. By targeting B cell metabolism, multiple sclerosis flare-ups are reduced.
A chromosome and a DNA double helix.
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Unique CRISPR-Cas System Shows Promise in Fight Against Antimicrobial Resistance

In nature, bacteria use CRISPR-Cas systems to fight off deadly viruses. A recent international collaboration has shed light on the most enigmatic CRISPR-Cas systems; the type IV system.
3D illustration of the microbiota-gut-brain-axis showing signals from the brain to the gastrointestinal tract
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Pre- and Probiotic Supplements Increase Sensitivity to Social Considerations

The role of the gut microbiome in shaping human behavior is a rapidly growing area of interest. New findings suggest that people who change their gut microbiome to a state regarded as healthier become more sensitive to social considerations.
A syringe and a vaccine vial on a blue background.
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HPV Vaccination Program in England Effectively Reduces Cervical Disease in All Socioeconomic Groups

Routine vaccination of young people against HPV in the UK has reduced the incidence of cervical disease across socioeconomic groups.
A bird sitting on a stick.
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New York City Wild Birds Carry Highly Pathogenic Avian Flu

A small number of New York City wild birds carry highly pathogenic H5N1 avian influenza, according to a recent study. The work highlights that the interface between animals and humans that may give rise to zoonotic infections or even pandemics.
An old woman rests her hands in her lap.
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Immunotherapy Could Be Used To Boost the Immune System of Older Individuals

Immunotherapy could be used to enhance immune responses in older people, making them less vulnerable to infections, reports a new study.
A close up photo of an eye.
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COVID-19 Virus Penetrates Blood–Retinal Barrier and Could Damage Vision

The blood-retinal barrier designed to protect our vision from infection can be breached by SARS-CoV-2, with potential long-term consequences in the eye.
Bacteria with tails.
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Unique Immune Component Allows Deadly Strain of Cholera To Out-Compete Other Variants

The persistence of a deadly strain of cholera that emerged in 1961 has baffled scientists. New research has shown how it has managed to out-compete other variants.
Green viruses.
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Previously Undiscovered Nidoviruses Discovered Using Novel Computer-Assisted Analysis

Suddenly they appear and - like the SARS-CoV-2 coronavirus - can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically.
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