Pneumonia: What are the main symptoms and how dangerous is it? - Von der Leyen health update: Key details on her recent pneumonia diagnosis - 'Walking pneumonia hitting kids, correct diagnosis must' - Walking pneumonia spikes in parts of Canada, especially in kids: doctors - CDC issues alert on spike in "walking pneumonia" among children - Walking pneumonia cases are spiking, especially in kids. Here's what to know - The CDC now recommends that people 50 and older get vaccinated against pneumonia - Walking pneumonia cases are skyrocketing in kids this year - Unusual surge of "walking pneumonia" reported in kids this year