Assertion: vaccine | /r/HasProperty | approved
Facets:
value: based on these small studies
type: OTHER
value: only last year
type: TEMPORAL
Source sentences:
text: If a vaccine is approved, it will take time to produce, distribute and administer to the global population.
text: The dengue fever virus was identified in 1943, but the first vaccine was approved only last year, and even then amid concerns it made the infection worse in some people.
text: The polio virus was first identified in 1908 but it took until 1955 for the first vaccine to be approved!
text: Once a vaccine is approved, it continues to be tested.
text: A vaccine may be approved based on these small studies, which can take place over a few months, and then continually monitored as larger populations become vaccinated, he added.
text: Once a vaccine is approved, is the hard part over?