Variant

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Dr. Kavita Patel told CNBC on Monday that it seems inevitable that a Covid vaccine booster shot will be needed to target newer variants of the disease. ...
The recent failure of OPEC and its allies to agree on a plan to ease production cuts in August means oil-market investors face the contradictory worries of both undersupply and oversupply, the International Energy Agency said. ...
Steve Patterson reports on the latest in the Nevada Covid-19 surge. ...
A 90-year-old woman in Aalst, Belgium, who died in March, tested positive for both the alpha (UK) and beta (South African) strains of Covid-19 in what is believed to be the first case of its kind. ...

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