What If Vaccines Don’t Really Stop the Virus From Spreading?

What If Vaccines Don’t Really Stop the Virus From Spreading?

By Justin Miller and David Wallace-Wells, NY Mag America entered its second pandemic summer full of optimism. Vaccination numbers were strong, and new cases of the coronavirus were plummeting. In May, the Centers for Disease Control and Prevention said that the fully vaccinated could be free of their masks and the fear of contracting a […]

How Contagious Is the Delta Variant?

How Contagious Is the Delta Variant?

By Sumathi Reddy, The Wall Street Journal The Delta variant of the virus that causes Covid-19 is often described as highly transmissible. So, what does that actually mean? Scientists studying Covid-19 say that Delta’s increased contagiousness means we need to update our thinking about exposure risks. Because people infected with Delta carry higher levels of […]