Pharmaceutical company executives say coronavirus vaccines could begin rolling out before 2021, but warned the challenges would be"daunting" as it was estimated that 15 billion doses would be needed to halt the pandemic.
Albert Bourla, head of Pfizer, meanwhile said that his company, which is conducting clinical trials with German firm Biontech on several possible vaccines in Europe and the United States, also believed one would be ready before the end of the year. Soon they will be too low to properly conduct clinical vaccine trials in a natural setting, Dr Soriot said, adding that so-called"human challenge" studies in which people are intentionally exposed to the virus to test efficacy, were not considered ethically acceptable with COVID-19.Global health official warns Australia about threat of coronavirus 'vaccine nationalism'
He stressed that the industry was committed to ensuring equitable access to a future vaccine, but acknowledged that"we will not have sufficient quantities as from day one, even with the best efforts." "Not all vaccine candidates could go all over the world depending on features, so somewhere between five and 10 will definitely be needed to serve the whole world," he said.
If it was created in lab, perhaps that lab already has the vaccine?
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