При тези изпитвания най- честите реакции, които са се развивали след прилагане на ваксината,
11 In these trials, the most common reactions occurring after vaccine administration were pain at the site of injection, fever (axillary ≥ 37.5°C; rectal ≥ 38°C) and irritability, which were associated with about 50% of the doses administered.