Epidemiological data suggests that 80% of COVID-19 cases can be traced to just 20% of those infected with SARS-CoV-2.
The virus that caused the original Sars no longer haunts us, but the characteristics of today’s coronavirus mean it’s unlikely to disappear in the same way.
Results from phase 1 trials of a COVID-19 mRNA vaccine created a burst of optimism. But details the company failed to release suggest it is too early to speculate whether the vaccine is effective.
Authorities around the world can do more to ensure that correct information and messages on the pandemic reach everybody.
We don't have vaccines for the Sars, Mers or the common cold. But that doesn't mean scientists won't crack it this time.
A molecule responsible for lowering our blood pressure also helps coronavirus get into our cells and replicate. And it occurs more in men than in women.
Mysteries surround the coronavirus, but our expert is here to address some of the most perplexing issues.
COVID-19 and SARS are both deadly – but different. SARS symptoms were quick to appear, making it easier to contain. Because health officials were able to contain it, the virus died off.
Winter is flu season – could it be coronavirus season as well? The research is mixed, but other factors besides temperature and humidity have more to do with the spread of SARS-CoV-2.
Ever heard of 229E, OC43, NL63 and HKU1?
Two phrases you hear a lot these days are viral load and infectious dose. What do they mean? Do they reflect the severity of disease or whether someone will get severely ill? Two experts explain.
When a new virus emerges and triggers a pandemic, it is important to trace its origins. Knowing more about how the virus jumped species in the first place can help curb future zoonotic diseases.
When a government's health messaging during a crisis is inconsistent or unrealistic, it engenders the kind of confusion, misinformation and non-cooperation seen in the US and UK.
University of Pittsburgh researchers are developing a vaccine patch for COVID-19 that is as easy to apply as a Band-Aid.
Sales of alcohol have reported jumped by around a quarter as people bulk buy wine, beers and spirits. That could lead to a range of short-term and long-term problems.
Buildings with lots of occupants such as tower blocks and hospitals could be a hidden risk in the battle against COVID-19.
In the most severe cases, COVID-19 patients need oxygen pumped directly into their airways, or even be hooked up to a machine that does the job of their heart and lungs.
Patients who later test positive for COVID-19 are reporting early loss of smell and taste. Researchers are now trying to understand if this could be an early sign of the disease.
Handling the US outbreak requires a look at what's working for the rest of the world – and our own history.
During a pandemic, a home birth starts looking better every second. Midwives with their specialized skills in low-risk normal birth can be of great service.