The company hopes to make the vaccine available to the age group before the start of the fall school year.
"These findings are promising, but randomized clinical trials are needed to confirm the results," her doctors said.
People with major depression had accelerated cellular aging by an average of two years compared to healthy controls.
The tool essentially creates a "watch list" of newly discovered animal viruses that pose the greatest threat to human health.
Scientists analyzed the hearts of retired astronaut Scott Kelly after he spent time in space and elite endurance swimmer Benoît Lecomte after he swam the Pacific Ocean.
Two doses of either vaccine were 90% effective at preventing infections, and a single dose was 80% effective.
What might life be like then if everyone lacked an appendix? That organ may not be a useless artifact of evolution after all.