With talks of COVID-19 vaccines being developed globally, this is the rigorous process these miracle drugs need to go through before use on humans.
There are 31 vaccine candidates being trialled around the world, all in different phases, according to the World Health Organisation.With talks of COVID-19’s vaccine becoming mandatory in Australia, many are questioning its safety. So how does a vaccine clinical trial work?conducted in four phases to ensure the safety of participants and that the process was cost-effective.
“The later assessments are then used to demonstrate how long the protection from the vaccine is likely to last.” “This has meant that we are seeing vaccine development happen at a rate much faster than ever before without compromising at all on any of the usual processes required to be certain about the vaccine’s safety, as well as how well it is likely to work.”
Blood tests are collected to test the vaccine’s effectiveness in the lab and give an indication if the vaccine has generated an immune response. Although this information is useful, it doesn’t guarantee it’s going to work.PHASE 2Studies look more closely at the protection from the pathogen in question.
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