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Shark sightings and minor attacks on the rise as bathers return to Spanish beaches

The lockdown and Storm Gloria have facilitated the return of marine species to seawaters which were previously dominated by human activities.

Shark sightings and minor attacks on the rise as bathers return to Spanish beaches
Photos: Wikimedia

Just days after Spain allowed its 46 million inhabitants to head to the country’s beaches for the first time in more than two months, a number of shark encounters have showcased how quickly the animal kingdom can regain territory. 

There have been more than 15 sightings of basking sharks (the second largest shark in the world) along Spain’s Mediterranean coast so far this spring.

Spain’s Civil Guard captured images of one of these enormous creatures, which measure up to eight metres in length but are not considered a threat to humans.

On the Canary island of Tenerife, another marine species – the angel shark or monkfish (see below)– has been swimming in shallow waters where up until recently only beachgoers would be found.

There have been four attacks in just three days, with experts warning the public they shouldn’t interact with the creatures as they bite when they feel threatened.

“The drop in maritime traffic and fishing activities as a result of the confinement measures have a lot to do with the increase in shark sightings, ” Claudio Barría, a researcher at the Institute of Marine Sciences (ICM-CSIC) in Barcelona, told Telecinco.

“Some studies indicate that Storm Gloria (a storm which brought gail-force winds and heavy rainfall to Spain in January) could have increased the amount of plankton in the Mediterranean, attracting more sharks that feed off it”. 

 

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COVID-19

Public Health Agency recommends two Covid doses next year for elderly

Sweden's Public Health Agency is recommending that those above the age of 80 should receive two doses of a Covid-19 vaccine a year, once in the spring and once in the autumn, as it shifts towards a longer-term strategy for the virus.

Public Health Agency recommends two Covid doses next year for elderly

In a new recommendation, the agency said that those living in elderly care centres, and those above the age of 80 should from March 1st receive two vaccinations a year, with a six month gap between doses. 

“Elderly people develop a somewhat worse immune defence after vaccination and immunity wanes faster than among young and healthy people,” the agency said. “That means that elderly people have a greater need of booster doses than younger ones. The Swedish Public Health Agency considers, based on the current knowledge, that it will be important even going into the future to have booster doses for the elderly and people in risk groups.” 

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People between the ages of 65 and 79 years old and young people with risk factors, such as obesity, diabetes, poor kidney function or high blood pressure, are recommended to take one additional dose per year.

The new vaccination recommendation, which will start to apply from March 1st next year, is only for 2023, Johanna Rubin, the investigator in the agency’s vaccination programme unit, explained. 

She said too much was still unclear about how long protection from vaccination lasted to institute a permanent programme.

“This recommendation applies to 2023. There is not really an abundance of data on how long protection lasts after a booster dose, of course, but this is what we can say for now,” she told the TT newswire. 

It was likely, however, that elderly people would end up being given an annual dose to protect them from any new variants, as has long been the case with influenza.

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