Do you know anyone who has had reactions to the vaccine? My son who is in his early 30's received his second vaccine. He noticed that his asthma was flared up the day after so he took his meds for that. Three days later I got a text from him saying that he was in hospital. What he thought was asthma was actually shortness of breath and the third day he had bad chest pains. The hospital did tests, gave him meds and told him that the heart muscle was inflamed. They kept him overnight and finally released him late the next day. He had to take it easy for 2 weeks and stay home from work. He is taking heart meds for 3 months. He also had to take another medication because the heart meds were causing an acid reflux type of reaction that could lead to ulcers if not caught. He said he feels ok but he just started back to work this week. Apparently this is rare but it does happen. My son does have allergies to food and medication but he checked with the family doctor before he went for the vaccine.