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Coronavirus: The dangers of weak vaccines

Mutated coronavirus strains could escape a weak immune response and make the pathogen more aggressive. That way, even people who have already recovered could get infected again — and the vaccines would need updating.

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14 Nov 2021
Starting Monday, Austria will ban unvaccinated patrons from entering cafes, restaurants and large events. Meanwhile, Australia has met its 80% vaccination target. DW has the latest.
11 Nov 2021
The main health authority in the US has authorized the BioNTech-Pfizer COVID vaccine for children aged 5 to 11 earlier this month. While some parents couldn't wait for their kids to get the shot, others hesitate.
16 Nov 2021
The move is part of measures to hit the brakes on a wave of new COVID infections in Germany. Meanwhile, APEC leaders have agreed to cut tariffs on COVID vaccines. DW has the latest.
20 Nov 2021
Children between the ages of 5 to 11 are now eligible for a vaccine. Meanwhile, Japan's economy contracted for the first time in two quarters because of infections over summer. DW has the latest.
18 Nov 2021
Pharma giants are earning millions every day with COVID vaccines, but leaving poorer nations in the lurch, an activist alliance says. The WHO reports that the delta variant has "outcompeted" others. DW has the latest.
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.
22 Nov 2021
Austrians went back into lockdown after fierce protests over the weekend, for a period of at least 10 days and potentially 20. Elswhere, German logged its highest seven-day incidence of the pandemic. DW has the latest.
24 Nov 2021
Health Minister Jens Spahn has stressed there's an alternative to Germany's homegrown BioNTech-Pfizer jab. He had come under fire from medical groups for limiting supplies in order to use up the country's Moderna stock.
27 Nov 2021
Germany is deep in the midst of its fourth wave, and many of its European neighbors are no better off. Only in southern Europe is the virus still under control.
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.
4 Dec 2021
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.