“A pair of new Omicron subvariants has emerged, raising the possibility that survivors of earlier Omicron strains can get reinfected,” the South China Morning Post reports.
Said Dr. Peter Chin-Hong: “It really came out of the blue over the weekend. We were already settling down with BA.2.12.1, and then BA.4 and BA.5? It just seems like the latest chapter of a never-ending saga.”
Eric Topol: Covid vaccines need to be evolving much faster.


?Political Trivia
Eight moments in political history. Put them on a timeline.
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Five senators. Three bills. Can you guess how they all voted?
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Nine Justices. One case. How did they rule?
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Do you have your finger on the pulse of America?
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Four questions a day.
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