New study of USS Theodore Roosevelt shows how Covid affects young healthy adults

Key points:

* "The study asked for 1,000 volunteers to provide blood and swab samples and answer a survey, however only 382 Roosevelt sailors participated. The volunteers were not a representative sample of the crew population..."

* "The study found 60% of the volunteers had antibodies for the coronavirus, and of those, 59% also had neutralizing antibodies at the time their blood was drawn."

* "The tests also indicated among the sailors who had been exposed, almost 1 in 5 were asymptomatic or about 18.5%."