The switch of data collection from the CDC to a new HHS contractor is "a major disruption," and will likely delay hospitalization data for some states.
Under ordinary circumstances, these phases of vaccine development can take years to complete, but now the timeline is being shortened; here’s an inventory of where things stand.
Recently, the idea has triggered a lot of conspiracy-theory talk, but it’s actually a tried-and-true public health tool being applied to curb the spread of the novel coronavirus.