Health & Medicine

  1. illustration of plasma cells
    Health & Medicine

    Protecting 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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  2. medical professional wearing a mask working in a tent
    Health & Medicine

    Coronavirus 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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  3. volunteer receives vaccine in Pfizer and BioNTech’s trial
    Health & Medicine

    Pfizer’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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  4. Penicillin allergy medic-alert bracelet
    Genetics

    Penicillin 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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  5. Biogen headquarters
    Neuroscience

    FDA 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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  6. view from above of a huge room filled with curtain partitions and hospital beds
    Health & Medicine

    COVID-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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  7. illustration of blood clot
    Health & Medicine

    How 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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  8. macrophage and leukocytes
    Health & Medicine

    How 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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  9. Indiana bats
    Animals

    Why 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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  10. tocilizumab
    Health & Medicine

    The 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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  11. people wearing masks
    Humans

    We 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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  12. Anopheles mosquito
    Chemistry

    Heating 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.

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