Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
An irregular heartbeat was a less common side effect, occurring in 10 participants who received Arexy and 4 participants who received a placebo.
Source: https://thefrontierpost.com/us-approves-worlds-first-rsv-vaccine/