Widespread COVID-19 vaccinations not expected until mid-2021, WHO says

GENEVA (Reuters) - The World Health Organization does not expect widespread vaccinations against COVID-19 until the middle of next year, a spokeswoman said on Friday, stressing the importance of rigorous checks on their effectiveness and safety.

Russia granted regulatory approval to a COVID-19 vaccine in August after less than two months of human testing, prompting some Western experts to question its safety and efficacy.

U.S. public health officials and Pfizer Inc said on Thursday a vaccine could be ready for distribution as soon as late October. That would be just ahead of the U.S. election on Nov. 3 in which the pandemic is likely to be a major factor among voters deciding whether President Donald Trump wins a second term.

“We are really not expecting to see widespread vaccination until the middle of next year,” Harris told a U.N. briefing in Geneva.

“This phase 3 must take longer because we need to see how truly protective the vaccine is and we also need to see how safe it is,” she added. This referred to the phase in vaccine research where large clinical trials among people are conducted. Harris did not refer to any specific vaccine candidate.

All data from trials must be shared and compared, Harris said. “A lot of people have been vaccinated and what we don’t know is whether the vaccine works...at this stage we do not have the clear signal of whether or not it has the level of worthwhile efficacy and safety...,” she added.

The WHO and GAVI vaccine alliance are leading a global vaccine allocation plan known as COVAX that aims to help buy and distribute shots fairly. The focus is on first vaccinating the most high-risk people in every country such as healthcare workers. ...