SARS-CoV-2, the coronavirus that causes Covid-19, infects saliva and cells in the mouth, a new study shows. US researchers have found evidence that salivary glands are one area in the mouth where the deadly virus infects our cells. SARS-CoV-2 infection in the mouth accounts for the oral symptoms people with Covid-19 have been experiencing, such … Read more
Children are far less likely to suffer from Covid-19, a new study has confirmed, with just four per cent of children admitted to hospital testing positive for the virus. Why children are less affected by the coronavirus than adults remains unknown, but it is believed to be down to the way their immune system reacts … Read more
A professor who in an experiment infected himself with Covid-19 to become ill with the virus for a second time says hopes for herd immunity are overblown. Dr Alexander Chepurnov, 69, first caught coronavirus on a skiing trip to France in February. After recovering back home in Siberia without requiring hospitalisation, he and his team … Read more
Herd immunity is a form of indirect protection from infectious disease that occurs when a high percentage of a population has become immune to it, either through vaccination or previous infection. To cause an outbreak, a virus must have a continuous supply of potential victims whose immune system do not know how to fend it … Read more
Tiny artificial lungs grown in a lab from adult stem cells have allowed scientists to watch how coronavirus infects the lungs in a new ‘major breakthrough’. Researchers from Duke University and Cambridge University produced artificial lungs in two independent and separate studies to examine the spread of Covid-19. The ‘living lung’ models minimic the tiny … Read more
A single passenger infected 15 others with COVID-19 on a 10-hour trip from London to Vietnam, a new study published by the Centers for Centers for Disease Control has shown. The report shows how the unidentified woman, 27, unknowingly spread the virus back in March. It shows how the female traveler, who had a sore throat … Read more
A single passenger infected 15 others with COVID-19 on a 10-hour trip from London to Vietnam, a new study published by the Centers for Centers for Disease Control has shown. The report shows how the unidentified woman, 27, unknowingly spread the virus back in March. It shows how the female traveler, who had a sore throat … Read more
Moment the coronavirus infects a healthy cell is captured for the first time using a microscope that can magnify objects up to two million times Researchers in Brazil used a powerful electron microscope to capture the image The first image shows the virus as it is about to infect the healthy cell samples Images were … Read more