What to watch: "Rapid vaccination is critically important. ... Even with partial protection you can achieve higher degrees of herd immunity," Schiffer says. "When I think of herd immunity, I don't think of it as an all-or-none phenomenon. I think of it as a dimmer switch."
"The factories for generating new variants are areas that are getting hit very hard. If there is a new variant that's terrible — that ruins 2022 and brings us back to very dark times — it's almost a guarantee that it's percolating in an area of the world that's getting hit very hard now," Schiffer says.
"The one thing that could happen, but hasn't happened yet, is to have a superspreader variant like B.1.1.7 with very powerful immune evasion. ... Will we see that? I don't know. Hopefully we'll never see that monster," Topol says.
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