Researchers are working on a prospective vaccine for COVID-19, following the break out of the coronavirus disease (COVID-19). (Reuters Picture)
LONDON: While over 100 vaccines are currently under pre-clinical trials and a number of those have gotten in human trial phase, leading health experts have raised worrying questions about what if the world never ever sees a Covid-19 vaccine, as when it comes to HIV and even dengue where there is no vaccine even after years of research study.
” There are some viruses that we still do not have vaccines against. We can’t make an absolute presumption that a vaccine will appear at all, or if it does appear, whether it will pass all the tests of effectiveness and safety,” Dr David Nabarro, World Health Organization’s Covid-19 unique envoy, was quoted as saying in a CNN report.
According to the CNN report, “worst-case possibility: that no vaccine is ever established”.
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In this outcome, “the general public’s hopes are consistently raised and after that rushed, as different proposed options fall prior to the last hurdle”, the report said on Sunday.
Nearly 4 decades and 32 million deaths later on, the world is still awaiting an