Health
Coronavirus vaccine: This is how effective a shot has to be to shut down a COVID-19 pandemic – The New Daily
“We will have a safe and effective vaccine this year,” Donald Trump claimed. But how effective must a coronavirus vaccine be to end the COVID-19 pandemic?
Among the many spectacular promises that Donald Trump made when accepting the Republican nomination for the US Presidency, the boldest was his oft-repeated claim that “We will have a safe and effective vaccine this year.”
A number of researchers, including Australian scientists, are already claiming they have a vaccine that offers protection against the coronavirus.
But the real questions are: how effective does a vaccine need to be and how many people will need to be vaccinated in order for l…
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