Commentary on Political Economy

Tuesday, 20 April 2021

 

RATLAND'S FIZZER!

First jab of Chinese Sinovac vaccine does little good, says Chile

The vaccine’s low efficacy after the first dose has contributed to a surge in cases in Chile
The vaccine’s low efficacy after the first dose has contributed to a surge in cases in Chile GETTY IMAGES
Stephen Gibbs, Caracas
The Times

Chilean scientists are warning that China’s Sinovac vaccination, which is widely used in the developing world, offers “very weak” protection until after the second dose.

The study of 10.5 million people showed that the vaccine was just 16 per cent effective in guarding against Covid infection after one dose, rising to 67 per cent efficacy after the second dose.

The initial low efficacy helps to answer the vexing question facing Chile: why is the country experiencing a surge in cases, despite the fact that it has initiated one of the world’s fastest vaccine rollouts?

“With one dose, we know the protection is very weak,” Claudia Cortés, an infectious disease expert at the Santa Maria Clinic in the Chilean capital Santiago told the Wall Street Journal

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