WASHINGTON – Faced with a doubling of Covid-19 hospitalisations in recent months, United States health authorities reiterated the need yesterday for vaccine vigilance to fight the pandemic, even as the jabs’ immunity against new Omicron sub-variants remains unclear.
The US is recording some 5,100 coronavirus-related hospitalisations per day, “a doubling of hospital admissions since early May,” Centre for Disease Control and Prevention (CDC) director Rochelle Walensky told a press briefing.
The increase is linked to the meteoric rise of the Omicron variant’s BA.4 and BA.5 sublineages, which were first detected in April and which respectively represent 16% and 65% of the virus currently circulating in the US.
While they do not appear to be more severe than previous variants, “we do know it to be more transmissible and more immune-evading,” Walensky said, although she added that vaccination and booster effectiveness against severe illness and death likely remains high with the new variants.
“So staying up to date on your Covid-19 vaccines provides the best protection against severe outcomes,” she said.
Despite the rise in cases, the new variants should not be allowed to cause panic or “disrupt our lives,” President Joe Biden’s chief medical advisor Anthony Fauci told the briefing.
While daily tolls have reduced substantially since the crisis peaked more than a year ago, the US is still recording 300 to 350 deaths per day, an “unacceptable” number, Fauci said.
The country is seeing between 100,000 and 150,000 new reported cases daily, but the figure could be substantially underestimated due to the expansion in use of home Covid-19 tests, whose results are often not reported to authorities. – AFP, July 13, 2022
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