Canada is seeing more than 12,000 whooping cough infections this year, far more than usual. Scientists say the sudden spike echoes a trend seen around the world. So what's causing such a massive surge in this potentially-deadly bacterial infection?
Canada is seeing more than 12,000 whooping cough infections this year, far more than usual. Scientists say the sudden spike echoes a trend seen around the world. So what's causing such a massive surge in this potentially-deadly bacterial infection?
Post a Comment
EmoticonClick to see the code!
To insert emoticon you must added at least one space before the code.