Are chills a allergy of a pneumonia shot Wed, Apr 21, 10 10:50AM by roman Chills are a common side effect of pneumonia shot. It cannot be considered as an allergy. It is a temporary affect and vanishes slowly. TAGS: 1. reaction pneumonia shot 2. pneumonia shot rash 3. reaction flu shot pneumonia shot 4. pneumonia shot allergic reaction symptoms 5. rash after pneumonia shot