Tag Archives: coronavirus

COVID: why you still need to wash your hands

Fidelma Fitzpatrick, RCSI University of Medicine and Health Sciences Hygiene was a significant part of the health measures to control the coronavirus at the start of the pandemic. But as evidence began to emerge of airborne spread, the focus switched to masks and, more recently, ventilation. Indeed, for some the focus has switched so sharply from surface transmission to airborne …

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Long COVID: symptoms experienced during infection may predict lasting illness

Prostock-studio/Shutterstock Olalekan Lee Aiyegbusi, University of Birmingham and Shamil Haroon, University of Birmingham Earlier in the pandemic, it appeared that the majority of people infected with the coronavirus experienced mild-to-moderate symptoms and generally recovered within two to three weeks, depending on the severity of their illness. However, as time has passed, it’s become clear that some people, regardless of the …

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Covid-19 : que sait-on du variant Lambda, désormais présent dans 29 pays ?

Tara Hurst, Birmingham City University Le Pérou est de loin le pays qui compte le plus grand nombre de décès dus au Covid-19 par habitant. 596 décès sur 100 000 habitants sont dus à la maladie. Ce bilan est presque deux fois plus élevé que celui du second pays le plus touché par la pandémie, la Hongrie, où sont dénombrés 307 décès pour 100 000 habitants. Plusieurs …

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Covid-19 : que sait-on du variant Delta (et des autres) ?

Samuel Alizon, Institut de recherche pour le développement (IRD) and Mircea T. Sofonea, Université de Montpellier Comme tous les êtres vivants, le virus SARS-CoV-2 évolue. Au cours de chaque infection sont produits des milliards de nouvelles particules virales. Parmi ces nouveaux virus, certains sont porteurs de mutations. Ce processus d’évolution et cette génération de mutants ont été étudiés en détail. …

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Are COVID-19 vaccine passports fair?

Simon Kolstoe, University of Portsmouth At the age of 18 I very excitedly packed my bags and headed off for what turned into two years working on a charity hospital ship off the coast of West Africa. Prior to going I was given a list of vaccinations I needed, including yellow fever, hepatitis B, MMR and tetanus/diphtheria. At the time …

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How COVID-19 measures have affected food safety in East Africa

Traders leave their cabbages after the County Governor ordered the closure of the main open air market to curb the spread of the COVID-19 coronavirus in Kisumu, Kenya. CASMIR ODUOR/AFP via Getty Images Florence Mutua, International Livestock Research Institute ; Delia Grace, International Livestock Research Institute , and Erastus Kang’ethe, University of Nairobi Foodborne diseases are thought to impose a …

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COVID-19 vaccine boosters: is a third dose really needed?

Sheena Cruickshank, University of Manchester The UK is enjoying real success with its COVID-19 vaccine coverage. Around 85% of adults (44.8 million people) have received one vaccine dose and 63% (33 million people) both doses, with around 160,000 doses a day still being administered. Vaccination with two doses helps prevent infection, and in those that do still get infected, lessens …

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