Despite vaccines in development, the head of the World Health Organization cautioned that the treatments had yet to prove effective and might only convey protection for a short time.
This report produced by Zachary Goelman.
Despite vaccines in development, the head of the World Health Organization cautioned that the treatments had yet to prove effective and might only convey protection for a short time.
This report produced by Zachary Goelman.
The World Health Organisation has warned that despite the progress in vaccine research, the road to normality remains far off.