> Usually caused by contact with animals, the outbreak in Lanzhou, the capital of Gansu province, was due to a leak at a vaccine plant, according to Lanzhou’s health commission. People are still being treated at hospitals even though the outbreak happened a year ago.
> Usually caused by contact with animals, the outbreak in Lanzhou, the capital of Gansu province, was due to a leak at a vaccine plant, according to Lanzhou’s health commission. People are still being treated at hospitals even though the outbreak happened a year ago.