The agency says that while there is limited evidence on the infectivity of Omicron, its own modelling data suggests people remain contagious for a similar amount of time.
'Infotoxication' is a concern by Dr. Puneet Seth argues that he has seen that quantifying his fitness, steps and exertion through apps has boosted his health.
The company announced Wednesday that the first participant had received a dose. Earlier this week, competitor Pfizer began a similar study of its own reformulated shots.