Chinese & Russian COVID19 Vaccines Might Show Only 40% Efficacy

Scientists skeptical of Russian and Chinese vaccine after speculation of potential immunity problems
Many fear the vaccine won’t work in many people as it is based on a common cold virus that people already have antibodies for.
Scientists also think the presence of high dose Ad5 in the vaccine could cause high fever.
Many also fear of high percentage of HIV risk from the vaccine
Given the circumstances and the immunity to common cold virus scientist think it might show 40% efficacy

According...