The World Health Organization does not expect there to be widespread vaccinations against COVID-19 until the middle of next year, a spokeswoman said on Sept. 4, stressing the importance of rigorous checks on their effectiveness and safety.
The World Health Organization does not expect there to be widespread vaccinations against COVID-19 until the middle of next year, a spokeswoman said on Sept. 4, stressing the importance of rigorous checks on their effectiveness and safety.