Submitted by mike kraft on
Submitted by mike kraft on
Submitted by mike kraft on
A huge U.S. study of another COVID-19 vaccine candidate got underway Monday as states continue to roll out scarce supplies of the first shots to a nation anxiously awaiting relief from the catastrophic outbreak.
Submitted by mike kraft on
Submitted by mike kraft on
SEOUL, South Korea — South Korea has confirmed its first cases of a more contagious variant of COVID-19 that was first identified in the United Kingdom.
Submitted by mike kraft on
Submitted by mike kraft on
Submitted by mike kraft on
At what point does a country achieve herd immunity? What portion of the population must acquire resistance to the coronavirus, either through infection or vaccination, in order for the disease to fade away and life to return to normal?
Since the start of the pandemic, the figure that many epidemiologists have offered has been 60 to 70 percent. That range is still cited by the World Health Organization and is often repeated during discussions of the future course of the disease.
Although it is impossible to know with certainty what the limit will be until we reach it and transmission stops, having a good estimate is important: It gives Americans a sense of when we can hope to breathe freely again.
Recently, a figure to whom millions of Americans look for guidance — Dr. Anthony S. Fauci, an adviser to both the Trump administration and the incoming Biden administration — has begun incrementally raising his herd-immunity estimate.
Submitted by mike kraft on
The Centers for Disease Control and Prevention (CDC) on Saturday issued a new guidance stating that people with underlying health conditions can receive a coronavirus vaccine.
Submitted by mike kraft on
