4 ms·
It's a two-component vaccine using two different adenovirus vectors. Hence "traveling companion" and "v(irus/ector)". Plus, of course, the name is a reminder of
by tetromino_ 6y ago
It's a two-component vaccine using two different adenovirus vectors. Hence "traveling companion" and "v(irus/ector)". Plus, of course, the name is a reminder of Soviet space achievements.