The WHO indicated it is tracking four Omicron subvariants: BA.1, BA.1.1, BA.2 and BA.3. BA.2 has a growth advantage over BA.1, the variant responsible for the recent Omicron surge.
“For everybody [who is] out there watching this, what is important for you to know is that this virus continued to be dangerous,” said Dr. Maria Van Kerkhove, the COVID-19 technical lead of the WHO. “This virus transmits very efficiently between people, but there’s a lot that you can do.”
She emphasizes that the goal is not to prevent all transmissions, which is almost impossible. Van Kerkhove said, “But, we need to drive transmission down. Because, if we don’t, we will not only see more cases, more hospitalizations, more deaths, we will see more people suffering from post-COVID condition—Long COVID—and we will see more opportunities for variants to emerge.”
https://www.biospace.com/article/who-tracking-4-omicron-subvariants-and-more-covid-19-news/
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