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Six to eight new COVID-19 vaccines should be completed by the end of the year, he said. Now the WHO has already approved 10 vaccines against the coronavirus.
“We are delighted with the vaccines we have. But we can keep improving. I think we will see better vaccines emerge closer to 2022,” Swaminathan said.
In particular, research is being done on vaccines that will be delivered orally or nasally via a spray or a skin patch. The WHO notes that these drugs will be better suited to certain groups, such as pregnant women.
More than 80 candidate vaccines are currently being studied in humans, although some are in the early stages of clinical trials. At the same time, companies whose vaccines are already in use around the world have started researching updated versions of drugs that should be effective against new strains of the virus.
