Two new COVID-19 subvariants, BA.4 and BA.5, are making inroads in Houston and could fuel ongoing transmission in the Houston area, experts say.
First detected in January and February in South Africa, the omicron subvariants appear to have additional mutations that allow them to evade some immunity from vaccines or previous omicron infections,Houston children's hospitals preparing for a summer surge more concerning than COVID
“With new variants increasing predominance, it’s likely to help fuel transmission through the summer,” Long said.
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