Health & Medicine
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Health & MedicineProtecting the brain from infection may start with a gut reaction
In mice, immune cells in the meninges are trained to battle infections in the gut before migrating to the brain.
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Health & MedicineCoronavirus cases are skyrocketing. Here’s what it will take to gain control
Basic public health measures can still curb COVID-19, if everyone does their part.
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Health & MedicinePfizer’s COVID-19 vaccine is 90% effective, preliminary trial data show
An analysis of 94 COVID-19 cases shows that the mRNA-based vaccine can protect people from getting sick, though the trial is ongoing.
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GeneticsPenicillin allergies may be linked to one immune system gene
Researchers have located a shared hot spot — on the HLA-B gene — in the immune system in people who say they have penicillin allergies.
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NeuroscienceFDA advisory panel declines to support a controversial Alzheimer’s treatment
The fate of an Alzheimer’s drug, developed by pharmaceutical company Biogen, remains up in the air.
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Health & MedicineCOVID-19’s death rate in the U.S. could spike as new cases soar
Effective treatments are one possible reason the mortality rate from COVID-19 fell over the summer. Rising cases could reverse the trend.
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Health & MedicineHow COVID-19 may trigger dangerous blood clots
Clots may stem from net-casting immune cells that, instead of fighting a coronavirus infection, capture red blood cells and platelets.
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Health & MedicineHow two immune system chemicals may trigger COVID-19’s deadly cytokine storms
A study in mice hints at drugs that could be helpful in treating severe coronavirus infections.
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AnimalsWhy bat scientists are socially distancing from their subjects
Scientists are calling for a “hands-off” approach to research to decrease the chances of spreading the coronavirus to bats in North America.
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Health & MedicineThe arthritis drug tocilizumab doesn’t appear to help fight COVID-19
The best available evidence so far hasn’t found that the anti-inflammatory drug benefited patients hospitalized with COVID-19.
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HumansWe still don’t know what COVID-19 immunity means or how long it lasts
Without knowing how long immunity lasts, it may be impossible to reach herd immunity without a vaccine or an extremely high death toll.
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ChemistryHeating deltamethrin may help it kill pesticide-resistant mosquitoes
A simple chemical trick creates a much faster-acting form of a common insecticide, which could help fight malaria and other mosquito-borne illnesses.