How a year full of vaccine promise turned into another Covid-19 nightmare
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How a year full of vaccine promise turned into another Covid-19 nightmare

Panorama

Rachel Chang / Editor 
13 December, 2021, 03:05 pm
Last modified: 13 December, 2021, 03:12 pm

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How a year full of vaccine promise turned into another Covid-19 nightmare

Still, as 2021 draws to a close, reasons for optimism persist. After pursuing divergent strategies for two years, the world has largely come to a consensus that the virus is here to stay and that we must learn to live with it

Rachel Chang / Editor 
13 December, 2021, 03:05 pm
Last modified: 13 December, 2021, 03:12 pm
18 August, Jakarta. Family and friends mourn at the graveside of a Covid-19 victim at the Rorotan cemetery. Photo: Dimas Ardian/Bloomberg
18 August, Jakarta. Family and friends mourn at the graveside of a Covid-19 victim at the Rorotan cemetery. Photo: Dimas Ardian/Bloomberg

The year started on such a high note. After a heroic push by scientists and drugmakers, vaccines against the coronavirus were swiftly being administered everywhere from New York to Shanghai as 2021 began.

With the messenger RNA shots, in particular, proving most effective, the mood across the world was buoyant. Everyone would get inoculated, human interaction would be safe again and Covid-19 would melt away into history, went the optimistic thinking.

It has not worked out that way, of course. As effective as the vaccines continue to be, the virus has been equally—if not more—formidable. Five strains have been declared variants of concern by the World Health Organisation since late 2020. In the spring, the worst of them would be sweeping across India with ferocity, producing scenes of devastation not seen since the novel coronavirus first emerged in Wuhan.

The Delta variant, which is more than twice as contagious as the original Covid-19, then raced through the rest of the world at a pace vaccination could not keep up with. The unvaccinated—whether by choice in rich countries or resignedly so in vast swathes of the developing world—were hit hard, straining hospital systems from Jakarta to Bogota, Tokyo to Kentucky.

The resumption of social and economic activity in the US and Europe provided fertile ground for Delta as people abandoned such precautions as mask-wearing, limiting the number of people they interacted with and working from home. By late summer, the weekly death toll in the US had climbed back into the five-digit figures seen in 2020.

With Delta's increased infectiousness, policymakers and researchers no longer believe a 75 percent vaccination rate will slow the virus's spread; rates exceeding 90 percent may be necessary. 

In February, shots were going into arms around the world at a pace so slow that it would take seven years to vaccinate 75 percent of the globe. The pace of manufacturing has greatly accelerated, so it should now take just five months to cover 75 percent with a first shot.

But the goalposts keep shifting. With Delta's increased infectiousness, policymakers and researchers no longer believe a 75 percent vaccination rate will slow the virus's spread; rates exceeding 90 percent may be necessary. The emergence of the Omicron variant in the waning days of 2021 makes it likely that only booster shots will be sufficient to fend off severe disease if it continues to spread.

Getting people in richer places with their third and fourth shots will only exacerbate the inequality that has many in poorer countries still awaiting their first.

Vaccine hesitation is another foe. Persistent misinformation and poor take-up rates in such places as the US, Hong Kong and parts of Africa. Government mandates limiting access to domestic freedoms and travel to the inoculated have set off street protests in Europe.

Still, as 2021 draws to a close, reasons for optimism persist. After pursuing divergent strategies for two years, the world has largely come to a consensus that the virus is here to stay and that we must learn to live with it. Pfizer Inc. and Merck and Co. have both developed antiviral pills that can substantially cut the risk of hospitalisation or death from infection.

The world can potentially find—with vaccines distributed more equally and lifestyles changing—a new normal. One thing is for sure in 2022: The virus will teach us more Greek letters.


Rachel Chang covers Asian healthcare and consumer news for Bloomberg News.


Disclaimer: This article first appeared on Bloomberg, and is published by special syndication arrangement.

 

Features

Covid-19 Vaccine / Covid-19 pandemic / Covid-19 New Variant

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