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Why some people don’t get sick from Covid-19 – US study
There’s a good reason why some people who contract Covid-19 never develop symptoms, according to a recent study, which suggests these so-called “super dodgers”...
Deer linked to coronavirus spread in US, says agency
Recent research led by the US Department of Agriculture’s Animal and Plant Health Inspection Service revealed that humans transmitted the coronavirus to white-tailed deer...
Even mild Covid reduces sperm counts – Spanish study
Men recently infected with Covid-19 have decreased sperm counts for more than three months after even mild infections, and the sperm they that do produce is...
Diabetes drug almost halves long Covid risk in US study
Researchers have found that metformin, commonly used to control blood sugar levels in people with type 2 diabetes, was more effective than placebo at...
Long Covid's impact on life quality worse than some cancers – UK study
A recent study found people with long Covid often have a lower health-related quality of life and worse fatigue than those with some advanced...
Most household Covid spread from a child – Boston study
A team of researchers has suggested that 70.4% of nearly 850 000 US household Covid-19 transmissions originated with a child, with younger kids most...
Higher mortality in heart transplants from Covid donors, analysis finds
Adult heart transplant recipients from donors with active Covid-19 infection had higher mortality at six and 12 months than those with transplants from donors...
Covid vaccine immunity drops after a month, analysis finds
Whether you get it from a vaccine or an infection, Covid-19 immunity does not last forever, say researchers who, after examining 40 studies, found...
Sickness claims hint at long-term impact of Covid
The large number of sickness claims related to Covid-19 in the past financial year indicates that the long-term effects of the coronavirus, in the...
Type 2 diabetes risk rises after Covid – Canadian study
Canadian researchers have found that people infected with Covid-19 were significantly more likely to be diagnosed with type 2 diabetes within a year after...
AstraZeneca vaccine risk to women higher than previously thought
A recent analysis that examined deaths in Britain, where AstraZeneca’s Covid vaccine was restricted in 2021 because of safety concerns, has found that young...
UK analysis confirms risk factors for long Covid
A new analysis of research conducted during the first two years of the pandemic helps crystallise some answers that have been emerging, finding that...
Impaired lung function in 25% of long Covid patients – Dutch study
A quarter of long Covid disease patients suffered from impaired pulmonary function up to a year after recovering from the initial infection.
This is the...
Infection from Covid gives same immunity as jabs – US meta-analysis
The largest meta-analysis ever done of its kind shows that the natural immunity provided by Covid-19 infection protects a person against severe illness just...
Covid shot associated with fewer cardiac events – US study
After analysing the most extensive datasets in the United States, researchers have revealed that vaccination against Covid-19 is associated with fewer heart attacks, strokes...
Most long Covid symptoms go after a year – large Israeli cohort study
Although not everyone recovers, a recent study analysing nearly 2m patient records in Israel concludes that for most people, the troubling symptoms that persist after a...
Are severe Covid- pneumonia patients on ventilation longer than needed? US study
Patients on mechanical ventilation for severe Covid-19 pneumonia had similar mortality rates to patients with other forms of severe pneumonia, but those with Covid...
Long Covid stigma an added problem for sufferers – UK study
A recent study has found that people with long Covid may experience a non-physical side-effect of the virus, apart from dizziness, headaches, sleep problems,...
Pandemic far from over as kraken sub-variant and surge in China show
As China buckles under a surge in Covid-19 cases, sparking fears of a new coronavirus mutant being unleashed on the world, South Africa has...
Prone position shows benefits for patients with respiratory distress – global meta-analysis
COVID-19 patients can develop hypoxaemic respiratory failure, potentially necessitating hospitalisation for supplemental oxygen or ICU for mechanical ventilation, and although most will have mild...
Coronavirus survives on some foods for a week, but low risk for consumers
UK scientists, in a series of tests for the Food Standards Agency (FSA), found that the COVID-19 virus can live on some ready-to-eat groceries...
'Acceptable loss' debate as COVID-19 becomes plague of the elderly
COVID-19 is still with us but its focus has shifted with more older people now at risk of death, a situation which has again...
Next coronavirus variant could cause more illness, SA study finds
As health experts urged government to prepare for the next pandemic, a new South African study has shown that the next coronavirus variant could...
Repeat COVID infections riskier than first bout – US study
The risk of death, hospitalisation and serious health issues from COVID-19 jumps significantly with reinfection compared with a first bout of the virus, regardless...
British man with long COVID finally cured of virus after 411 days
A British man (59) whose COVID infection was thought to have been one of the longest in the world is finally clear of the...
Exercise boosts protection derived from COVID jab – South African study
Regular physical activity may boost the effectiveness of the COVID-19 vaccine, according to research done by Discovery Vitality, which showed that a combination of...
Surge of 300 COVID variants with increased immune escape properties
Omicron sub-variants are showing signs of “increased transmissibility and properties of immune escape”, the World Health Organisation has warned, but reduced surveillance has limited...
Vaccine hesitancy among adolescents in sub-Saharan Africa reaches 88%
COVID-19 vaccine hesitancy rates are up to 88% among adolescents in some sub-Saharan African countries, often because of concerns over safety and efficacy, according...
COVID-19 vaccination and menstrual cycle – global cohort study
COVID-19 vaccination is associated with a small and likely temporary change in menstrual cycle length but with no change in menses length, nor any...
African study finds bulk of COVID-19 variants came from abroad
African scientists and public health institutions have revealed that most of the continent’s COVID-19 variants originated from abroad, even though African countries were the...
WHO estimates 17m long COVID cases in Europe and urges action
A possible 17m people experienced long COVID in the first two years of the pandemic in Europe, new modelling conducted for the World Health...
Antibody discovery might make COVID jabs redundant – Tel Aviv study
A team of scientists from Tel Aviv University has demonstrated that antibodies isolated from the immune system of recovered COVID-19 patients are effective in...
‘Most transmissable’ Omicron variant re-infects within weeks
Deleted: Global experts have warned that Omicron BA.5, the coronavirus strain currently outpacing other variants in infection and the dominant strain in most countries,...
Higher myocarditis risk in young males after mRNA jabs – Nordic cohort study of 23m
A massive cohort study of 23.2m people across four Nordic countries showed higher rates of myocarditis and pericarditis within 28 days after being vaccinated...
Omicron variant: 56% of infected people unaware – LA study
Most people with Omicron probably don’t even know they’re infected, according to a recent small study, which says that 56% of people who are...
UK approves dual-strain Moderna COVID vaccine that targets Omicron
Britain has become the first country to approve a dual vaccine that tackles both the original COVID virus and the newer Omicron variant, and...
One in every eight adults likely infected with long COVID, large study finds
Long COVID is far more widespread than thought, a recent study shows, while another has found that a common symptom of the condition is...
Fourth jab slashes breakthrough COVID infections – Israeli cohort study
There are definite benefits to administering a fourth dose of the COVID vaccine, say researchers, after a cohort study of 29 611 healthcare workers...
South African research sheds light on microclots’ role in long COVID
There is no global consensus among researchers and clinicians on a definition for long COVID, no adequate diagnostic test for the debilitating condition, and...
New studies point COVID origin evidence to Wuhan wet market
Scientists have repeated their assertions of “compelling evidence” that Wuhan’s Huanan seafood and wildlife market was at the centre of the COVID-19 outbreak.
Two peer-reviewed...