Maui Coronavirus Updates

“Highly Transmissible” B.1.351 Variant Detected in O‘ahu Resident

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The state Department of Health State Laboratories Division has confirmed the detection of a new COVID-19 variant of concern, found in an O‘ahu resident with no travel history. This new strain has the technical name B.1.351 and is sometimes referred to as the South African variant, according to state health officials.

“This is concerning because B.1.351 has a mutation that makes it more transmissible from one person to another, and a separate mutation that might make it less responsive to the antibodies we form when we have COVID or get vaccinated,” said SLD Director Dr. Edward Desmond in a department announcement. 

Department officials explain that the mutation that increases transmissibility is called N501Y, while the mutation that may reduce effectiveness of antibodies is called E484K. 

The N501Y and E484K mutations had previously been seen in Hawai‘i, but this is the first time both mutations have been found together in one virus. 


“While theoretical concerns have been raised about whether vaccination will be effective against new variant strains, the real-world data so far are reassuring” said Acting State Epidemiologist Dr. Sarah Kemble. “A study in South Africa showed the Johnson & Johnson vaccine was effective in preventing serious disease requiring hospitalization and in preventing death even where B.1.351 was the predominant strain.” 

Two new cases of the B.1.1.7 variant, also known as the U.K. variant, also have also been found, for a total of eight B.1.1.7 variant cases detected in the state to date. This variant, first detected in Hawai‘i in early February, has the N501Y transmissibility mutation, but not the E484K mutation. The most recent cases of B.1.1.7 involve two O‘ahu residents, one who traveled to the mainland United States and a household contact of that individual.

State officials say investigation into cases of recently detected variants is ongoing and close contacts have been quarantined. 


“Research shows community mitigation measures are effective in reducing the risk of transmission of even the most aggressive variants,” said State Health Director Dr. Elizabeth Char. “This means wearing masks, maintaining physical distance and washing hands is more important than ever. The effectiveness of vaccines in preventing serious illness or death means we should get vaccinated as soon as it is our turn.” 

The SLD continues to perform genomic sequencing weekly on COVID samples from across the state in order to detect variant strains including strains of concern. This systemic search for variant strains is accomplished with the collaboration of private sector laboratories.


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