30 April 2021, 02:04 am A study published early this week professed that fewer people exhibited side effects from Pfizer and AstraZeneca vaccines in the real world than in the clinical trial data. Perhaps it is one good news that would boost vaccine confidence in the general population. For those not satisfied with the data shown during the trials. perhaps the real-world data might be more convincing. If more people would be willing to be inoculated, vaccine administration could speed up herd immunity. (Photo : Gustavo Pring from Pexel) A study published early this week professed that fewer people exhibited side effects from Pfizer and AstraZeneca vaccines in the real world than in the clinical trial data.