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Omicron Variant

Here's where new COVID JN.1 variant is spreading in US

  • Dec 22, 2023
AP Photo/Seth Wenig

Everything you need to know about the new dominant COVID variant

  • Aug 9, 2023
AP Photo/Seth Wenig

WHO: XBB.1.5 is most transmissible omicron subvariant yet

  • Jan 9, 2023
AP Photo/Rick Bowmer

COVID subvariants: What to know and should you be concerned?

  • Oct 19, 2022

US clears updated COVID boosters targeting newest omicron strain

  • Sep 1, 2022

Why is the BA.5 COVID-19 variant so contagious?

  • Jul 13, 2022

Weekly COVID-19 tracker returns as 'stealth surge' hits Houston-area

  • Jul 12, 2022

COVID cases undercount leave US with blind spot amid BA.5 spread

  • Jul 11, 2022

Latest Videos

2:47

Weekly COVID-19 tracker returns as 'stealth surge' hits Houston-area

  • Jul 12, 2022
3:10

Doctors warn of new sub Omicron variant wave BA 2.12

  • May 17, 2022
2:13

Houston COVID expert cautions about pandemic's future

  • Mar 15, 2022
2:53

Mom shares story of son's scary battle with COVID complications

  • Feb 22, 2022
1:57

Houston doctor discusses what decline of COVID hospitalizations means

  • Jan 30, 2022
2:53

Mom shares story of son's scary battle with COVID complications

  • Jan 24, 2022
2:14

COVID infections put strain on local hospitals as omicron spreads

  • Jan 24, 2022
2:13

Houston will have a total of 5 COVID-19 mega testing sites due to a rise in cases and variants

  • Jan 15, 2022

Latest Stories

Wang Ying/Xinhua via Getty Images

Americans keep getting reinfected with COVID-19 as new variants emerge, data shows

More than 1.6 million cases of reinfection have been reported across 24 states since data collection began, according to an ABC analysis.

  • Jun 9, 2022

Study by CA researchers shows how COVID symptoms evolved between delta, omicron

Researchers found eye-opening characteristics of how COVID-19 is infecting the human body with omicron versus delta variants.

  • May 31, 2022

Pfizer says its 3-shot COVID vaccine for kids 6 months to 5 years old 80% effective against omicron

Pfizer released long-awaited data for their vaccine for children 6 months to under 5 years old on Monday morning.

  • May 23, 2022

'We're done with COVID, but COVID is not done with us': Doctors warn of new sub omicron variant wave

A summer surge could be coming as a new sub omicron variant begins to infect people. A Houston health expert said the variant is the most infectious yet.

  • May 17, 2022

Here's why some people still get COVID even after being vaccinated and double-boosted

"This (BA.2.12.1) is now the most transmissible subvariant we have of all," said Dr. Monica Gandhi of UCSF. "It now looks like it's 30% more transmissible than BA.2 alone."

  • May 10, 2022