Experts say strong evidence of efficacy needed to avoid approval of inferior vaccines. The rush to immunise populations against Covid-19 could lead to the rollout of a vaccine that is not very effective and risk worsening the pandemic, leading scientists have said. Politicians and commercial companies are competing to be the first to license [...]
The COVID-19 pandemic has dominated the news cycle for the better part of 2020. As guidelines are continually updated to reflect changes in our understanding of how the virus spreads, it is critical people receive accurate, credible information that encourages prevention. Understanding the factors that influence these messages’ effectiveness is crucial. A group of [...]
Scientists in Hong Kong have reported the first confirmed case of reinfection with the coronavirus that causes Covid-19, reportedly backed up by genetic sequences of the two episodes of the 33-year-old man’s infections in March and in August 2020. Naturally, people are worried what this could mean for our chances of resolving the pandemic. Here’s why [...]
Could uncomfortable nasal swabs be swapped for a contactless two-second breathalyzer puff to check for Covid-19 infection? Prof. Hossam Haick thinks so. Haick, a professor of chemical engineering and nanotechnology at the Technion – Israel Institute of Technology, first came to our attention in 2011 for his invention of “NaNose,” which can sniff out [...]
The relationship between antibodies for the novel coronavirus (SARS-CoV-2) and immunity, vaccine efficacy, and spread of COVID-19 has received significant attention. Dr. Seheult is back to illustrate why T cells have received less attention than antibodies, but may be more important to long term immunity from COVID-19. Dr. Seheult also discusses how previous [...]
An upcoming NASA mission could find that there are more rogue planets – planets that float in space without orbiting a sun – than there are stars in the Milky Way, a new study theorizes. “This gives us a window into these worlds that we would otherwise not have,” said Samson Johnson, an astronomy [...]
Images Description Three individuals were admitted to the hospital (ages 46–56; to men and one woman) with a multiday history of symptoms associated with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and underwent contrast-enhanced thoracic CT due to worsening symptomatology. Three-dimensional (3D) digital models were created to visualise the extent of the disease [...]
Study of nose and throat reveals why people with COVID-19 may lose their sense of smell Researchers studying tissue removed from patients' noses during surgery believe they may have discovered the reason why so many people with COVID-19 lose their sense of smell, even when they have no other symptoms. In their experiments they [...]
These landscape documents have been prepared by the World Health Organization (WHO) for information purposes only concerning the 2019-2020 global of the novel coronavirus. Inclusion of any particular product or entity in any of these landscape documents does not constitute, and shall not be deemed or construed as, any approval or endorsement by WHO [...]
Researchers around the world are racing to develop a vaccine against Covid-19, with more than 170 candidate vaccines now tracked by the World Health Organization (WHO). Vaccines normally require years of testing and additional time to produce at scale, but scientists are hoping to develop a coronavirus vaccine within 12 to 18 months. Vaccines mimic the [...]
