No evidence was found by any of the researchers that B.1.1.7 was increasing hospitalization rates.
One reason why the strain may be more lethal is the higher viral load it causes, meaning victims produce more viral particles when sick, which in turn explains its higher contagiousness. "If your cases get out of control, your deaths will get out of control as your health system comes under pressure," Mike Ryan, executive director of the WHO's health emergencies program said in a press conference on Friday.
Normal covid-19 tests don’t identify which variant is responsible for killing a patient. It requires a time-consuming blood or saliva test, which is not always done.
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