Results from the Oxford-AstraZeneca coronavirus vaccine trial show that the vaccine may actually help reduce the spread of COVID-19 in addition to effectively preventing infection. Recent findings from the Oxford-AstraZeneca COVID vaccine trial imply that the vaccine might be effective at reducing coronavirus transmission. Read: Study finds COVID-19 vaccine may reduce virus transmissionAdResearchers in the Oxford-AstraZeneca study took swabs from volunteers weekly during the trials to see if the volunteers were able to spread the virus. This information is reassuring, particularly to Britain and other countries that have prioritized administering first doses of the vaccine by pushing second doses until later. More: UK says new study vindicates delaying 2nd virus vaccine shotAdBritain became the first country to authorize AstraZeneca’s inexpensive, easy-to-handle COVID-19 vaccine on Dec. 30.