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Delta variant: how worried should Germany be about a new wave of cases?

In the United Kingdom, the rapid spread of the Delta variant of the coronavirus has caused a new spike in cases, leading the UK government to push back the day on which it ends its pandemic restrictions. Does Germany also risk being caught out by the more infectious variant?

Delta variant: how worried should Germany be about a new wave of cases?
A woman sneezing. Photo: dpa-Zentralbild | Patrick Pleul

There are a few reasons to be concerned about the Delta variant of the coronavirus, which originated in India. According to estimates by health specialists in the UK, it is anywhere between 30 percent and 100 percent more infectious than the previously dominant Alpha variant.

Meanwhile, a new study in the Lancet medical journal estimates that roughly double the number of infected people end up in hospital compared to the Alpha variant, which emerged in southern England last autumn.

It is for this reason that the UK government announced this week that it would delay by four weeks its “freedom day” – the day on which the last restrictions were set to be abolished.

The Delta variant now makes up over 90 percent of new infections in the UK, where the seven-day incidence has risen back up to around 70 cases per 100,000 people despite some 45 percent of adults having full inoculation.

Does the same fate await Germany?

Recent history suggests that once a variant has established itself in the UK, it is a matter of time before it makes its ways to Germany.

The so-called Alpha variant, previously known as B.1.1.7, which was first identified in the UK last September, now makes up over 94 percent of new cases in Germany.

READ ALSO: Germany is in ‘race to vaccinate’ amid rise of Covid Delta variant, Merkel warns

The Germany government reacted to its rapid spread through the UK by suspending all but necessary travel between the two countries at the end of 2020.

But those measures failed to prevent the variant gaining the upper hand in Germany. Between the start of February and the end of the month, the variant had gone from representing 6 percent of all cases to 46 percent – a development that was a precursor to the third wave of infections that hit its climax around Easter. 

How present is Delta at the moment?

According to the latest report on variants of concern by the Robert Koch Institute, the Delta variant has only been identified in a single digit percentage of cases so far. 

But the latest report released on Wednesday evening showed an increase to 6.7 percent of all infections for the week ending June 6th, from 3.7 percent in the previous week. 

A closer look at the RKI charts shows that in most states the Delta variant currently doesn’t make up more than five percent of all cases.

In Bavaria for instance, it has hovered between 0,7 percent and 1.9 percent of all cases in recent weeks, although it is worth pointing out that the overall number of Delta variant cases in the southern state has decreased slightly in that time.


In Berlin, the Delta variant accounted for 9.2 percent of all cases in the week ending June 6th, but with overall numbers declining that was the same number of cases (18) as two weeks previously.

One case that has attracted particular attention is that of a student who returned from a trip to India where he is suspected to have picked up an infection with the Delta variant of the virus. Media reports suggest that the student, an Indian national, was 30 years old and had no known previous conditions.

The whole student accommodation block that he was living in was subsequently put into quarantine, while health officials went through the building conducting PCR tests.

What are experts predicting?

Christian Drosten, who is head of virology at the Charite Hospital in Berlin and a leading coronavirus specialist, has said that Delta or another variant will “certainly dominate the field by the autumn.”

At the same time, he voiced cautious optimism that the Delta variant did not appear to be taking over the epidemic in Germany with exponential growth

Speaking on a recent episode of his NDR corona podcast, Drosten claimed to have seen unofficial figures which suggest that the number of delta cases “is rising slightly but they certainly aren’t doubling in number.”

Olaf Gersemann, a journalist at Die Welt who writes their daily Covid report, said the stagnation of delta numbers was “very good news, especially given that numbers are sinking overall.”

SPD health expert Karl Lauterbach agreed, saying on Twitter that “the Delta variant has arrived in Germany too late to ruin the summer.”

What measures has Germany taken to tackle the variant?

The most notable measure taken by German authorities to try and prevent the Delta variant from being brought into the country is to put the UK back on its list of countries where a variant of concern is spreading.

That means that there are once again strict rules in place for entering Germany from the UK. Only German citizens and people with permanent residency are allowed to enter – and they have to go through a 14-day quarantine after arrival.

At the same time, the variant is likely to spread into other European countries as Brits go on holiday abroad over the summer. Some southern members of the EU that have economies dependant on tourism have dropped testing requirements for people arriving from the UK.

With Germans also likely to go on holiday to these sunny spots over the summer holidays, the risk of someone bringing back an infection from abroad will increase, say scientific experts.

‘Prevent superspreading’

Sandra Ciesek, who is head of virology at Frankfurt University Hospital, has said that people going on holiday during the summer will increase the risk of the Delta variant being brought into the country in larger numbers.

Ciesek said that people act differently when they are on holiday and are less likely to stick to rules on social distancing. Meanwhile, it is harder for the authorities to monitor people entering the country by car than those who come back in by plane.

SPD health spokesman Karl Lauterbach has said that Germany should slow down its policy of reopening society in light of the possible further spread of the delta variant.

“If we prevent superspreading, then we are on the safe side with this variant,” Lauterbach told the Rheinische Post newspaper.

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Germany should prepare for Covid wave in autumn, ministers warn

German health ministers say that tougher Covid restrictions should come back into force if a serious wave emerges in autumn.

Germany should prepare for Covid wave in autumn, ministers warn

Following a video meeting on Monday, the health ministers of Germany’s 16 states said tougher restrictions should be imposed again if they are needed. 

“The corona pandemic is not over yet – we must not be deceived by the current declining incidences,” said Saxony-Anhalt’s health minister Petra Grimm-Benne, of the Social Democrats, who currently chairs the Conference of Health Ministers (GMK).

According to the GMK, new virus variants are expected to appear in autumn and winter. Over the weekend, federal Health Minister Karl Lauterbach (SPD) also warned that the more dangerous Delta variant could return to Germany. “That is why the federal Ministry of Health should draw up a master plan to combat the corona pandemic as soon as possible and coordinate it with the states,” Grimm-Benne said.

Preparations should also include an amendment of the Infection Protection Act, ministers urged. They want to see the states given powers to react to the infection situation in autumn and winter. They called on the government to initiate the legislative process in a timely manner, and get the states actively involved.

The current Infection Protection Act expires on September 23rd this year. Germany has loosened much of its Covid restrictions in the last months, however, face masks are still compulsory on public transport as well as on planes. 

READ ALSO: Do people in Germany still have to wear Covid masks on planes?

The health ministers said that from autumn onwards, it should be possible for states to make masks compulsory indoors if the regional infection situation calls for it. Previously, wearing a Covid mask was obligatory in Germany when shopping and in restaurants and bars when not sitting at a table. 

Furthermore, the so-called 3G rule for accessing some venues and facilities – where people have to present proof of vaccination, recovery, or a negative test – should be implemented again if needed, as well as other infection protection rules, the ministers said. 

Bavaria’s health minister Klaus Holetschek, of the CSU, welcomed the ministers’ unanimous call for a revision of the Infection Protection Act. “The states must be able to take all necessary infection protection measures quickly, effectively, and with legal certainty,” he said.

North Rhine-Westphalia’s health minister Karl-Josef Laumann (CDU) warned that no one should “lull themselves into a false sense of security”.

“We must now prepare for the colder season and use the time to be able to answer important questions about the immunity of the population or the mechanisms of infection chains,” he said.

On Tuesday, Germany reported 86,253 Covid infections within the latest 24 hour period, as well as 215 Covid-related deaths. The 7-day incidence stood at 437.6 infections per 100,000 people. However, experts believe there could be twice as many infections because lots of cases go unreported. 

READ ALSO: Five things to know about the Covid pandemic in Germany right now