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Local smoking study offering $1,000 to help smokers quit
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New anti-smoking medication under investigation
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Experts say approved vaccines could raise drop-out concerns for later trials
Experts are concerned approved vaccines could make it harder to find trial participants for later rounds. They say trial drop-out rates could increase, too.
and last updated 2020-12-14 19:40:27-05
KANSAS CITY, Mo. â While Pfizer s Covid-19 vaccine is approved for public use, doctors say it s important to keep in mind multiple vaccines are needed to help end the pandemic as soon as possible.
Several trials are still underway for other COVID-19 vaccines. Those that begin later than others could face problems with having enough participants or participants dropping out to receive an approved vaccine when it s available to them.
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