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. 2022 Nov 30;108(1):115–123. doi: 10.4269/ajtmh.22-0256

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Figure 4. — Adverse reactions within 7 days after receiving the messenger RNA-1273 booster dose. The bar chart shows solicited adverse reactions that were verified and graded for severity by the study physician. Severity grading: 1, mild (does not or interferes minimally with usual social and functional activities); 2, moderate (interferes with usual social and functional activities); 3, severe (causes inability to perform usual social and functional activities); and 4, disrupting/impairing (disrupts/impairs ADL). No participants required hospitalization or died. ADL = activities of daily living.