Nathan Seppa

All Stories by Nathan Seppa

  1. Health & Medicine

    Chikungunya wings its way north — on mosquitoes

    A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.

  2. Health & Medicine

    Peanuts for baby: A way to avoid peanut allergy?

    Making peanut products a baby food could head off life-threatening peanut allergies later, new data show.

  3. Health & Medicine

    News Brief: U.S. gets its first Ebola case

    Although U.S. hospitals have treated a handful of American health-care workers who had become exposed to Ebola in Africa, the first case of a sick traveller has emerged. His Ebola infection showed no symptoms until several days after he reached Texas. (Update: On October 8, the man died.)

  4. Health & Medicine

    Ebola treatments and vaccines could be near

    Using experimental medicines against Ebola might help to slow or end an outbreak in Africa that has defied efforts to control it.

  5. Health & Medicine

    Fuzzy future

    Kids may suffer impaired vision from spending too little time outdoors, studies suggest.

  6. Health & Medicine

    Worms, your unlikely allies

    Parasites show promise in treating immune disorders.