![What we know so far about Omicron subvariant Arcturus](https://www.rappler.com/tachyon/2021/11/Omicron.jpeg?resize=644%2C362&crop=0px%2C0px%2C1280px%2C720px)
![What we know so far about Omicron subvariant Arcturus](https://www.rappler.com/tachyon/2021/11/Omicron.jpeg?resize=644%2C362&crop=0px%2C0px%2C1280px%2C720px)
![World should ‘calm down’ about China COVID-19 variants – Chinese scientist](https://www.rappler.com/tachyon/2023/02/testing-pebrero-09-2023_HEALTH-CORONAVIRUS-CHINA-1.jpg?resize=257%2C257&crop_strategy=attention)
![EXPLAINER: What do we know about COVID-19 variant XBB.1.5?](https://www.rappler.com/tachyon/2023/01/vax-again-2023_HEALTH-CORONAVIRUS-THAILAND-CHINA.jpg?resize=257%2C257&crop=617px%2C0px%2C1508px%2C1508px)
![DOH detects Omicron BF.7 in the Philippines | The wRap](https://www.rappler.com/tachyon/2022/12/tcard-ls-8.jpg?resize=257%2C257&crop_strategy=attention)
![PH detects first cases of Omicron BF.7, which is driving new surge in China](https://www.rappler.com/tachyon/2022/12/pitx-christmas-passengers-december-20-2022-003.jpg?resize=257%2C257&crop_strategy=attention)
![What we know so far: COVID-19 Omicron XBB subvariant, XBC variant in PH](https://www.rappler.com/tachyon/2022/10/shutterstock-covid-variant.png?resize=257%2C257&crop_strategy=attention)
![Philippines detects first cases of COVID-19 XBB subvariant](https://www.rappler.com/tachyon/2022/07/doh-ma-rosario-vergeire-presser-july-19-2022-002.jpg?resize=257%2C257&crop=198px%2C0px%2C933px%2C933px)
![[ANALYSIS] Assessing the COVID-19 immunity wall in the Philippines](https://www.rappler.com/tachyon/2022/09/COVID-19-Immunity-wall-ph-September-8-2022.jpg?resize=257%2C257&crop_strategy=attention)
![US CDC expert panel backs use of redesigned Omicron COVID boosters](https://www.rappler.com/tachyon/2022/06/moderna-covid-19-vaccine-november-17-2021-reuters.jpg?resize=257%2C257&crop=326px%2C0px%2C1463px%2C1463px)
![US FDA authorizes 2 COVID-19 boosters targeted at Omicron subvariants](https://www.rappler.com/tachyon/2022/08/turok121-CORONAVIRUS-VACCINES-BOOSTERS.jpg?resize=257%2C257&crop=331px%2C0px%2C1200px%2C1200px)
Checking your Rappler+ subscription...
Upgrade to Rappler+ for exclusive content and unlimited access.
Why is it important to subscribe? Learn more
You are subscribed to Rappler+
Join Rappler+ Donate Donate UPGRADE TO RAPPLER+ TO COMMENT JOIN RAPPLER+ TO COMMENT