Qingdao checks millions within days of minor outbreak; India sees infection tally begin to wane; UK introduces tiered system, shuts pubs, as case numbers spike around Europe
Johnson & Johnson says safety monitoring panel will try to determine what caused the issue, but so-called adverse events are 'an expected part of any clinical study'
Shot developed by Defense Ministry's Institute for Biological Research still far from wider phase 3 trials; Moderna says its vaccine will not be ready before US election
Experts say at least 5 shots under development use squalene, a substance commercially produced from sharks; warn that it's unsustainable, will endanger at-risk populations
Phase 3 vaccination trials are underway, and while results will likely not be available this fall, some candidates may be well vetted by the end of 2020, expert says
SinoVac CEO says company will apply for FDA approval after phase 3 trial completed, but in meantime has begun distributing doses of experimental drug to some in China
As crew prepare for trip to orbiting International Space Station, mission leader Sergei Ryzhikov says he prefers to 'tread very carefully on this issue'
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