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Coronavirus digest: 2 Pfizer doses ‘effective’ against delta

Researchers say two shots of either BioNTech-Pfizer or AstraZeneca vaccines are highly effective against variants. Elsewhere, China has declined to follow an investigation into the virus's origins. Follow DW for more.

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27 Nov 2021
Antibodies tend to decrease about six months after the second shot of a vaccine. Many doctors think that booster shots are the solution, but some researchers are also looking into whether T-cells can help.
27 Nov 2021
The UN health body has given the new variant a name and said it is a variant of concern. The WHO urged against hasty travel curbs while it gathers more data.
29 Nov 2021
Germany, the Czech Republic and the UK are the latest countries to confirm cases of the omicron variant. The new strain that was first detected in South Africa has prompted governments around the world to re-introduce travel restrictions.
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The vaccine-maker's CEO says existing COVID-19 vaccines are unlikely to be as effective against omicron. Meanwhile, Japan detected its first case of the variant. Follow DW for the latest.
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18 Dec 2021
Global health body said the new variant has a "substantial growth advantage over delta". More data is still needed to determine the severity of the strain.
20 Dec 2021
The shutdown was initiated over fears of the rapid spread of the omicron variant. Meanwhile, Germany's health minister has ruled out a lockdown before Christmas. Follow DW for the latest.
1 Jan
US coronavirus cases on the rise: Epidemiologist Peter Chin-Hong speaks to DW
30 Dec 2021
The total number of omicron cases detected in Germany rose sharply with the latest figures, which were the first to provide testing results and data from a working day after the Christmas break.
14 Jan
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Health officials are worried the sheer number of new infections will once again overwhelm the Himalayan country's fragile health care system.