Microbiology Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose. A Anaphylaxis B Arthus reaction C Serum sickness D Contact dermatitis 💡 Explanation Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose. ✓ Correct Answer: C. Serum sickness