SARS-CoV-1 and SARS-CoV-2 are closely related viruses. Scientists believe that both viruses originated in bats. The RNA genomes of the viruses are about 80% identical. What does that mean?

The unrelenting horror of COVID-19 has exacted a toll on healthcare workers who have seen patient after patient succumb to a disease that has killed more than 75,000 people in the United States alone in little more than two months.

Why do symptoms in your gut mean you might get a worse case of COVID-19?

Children with COVID-19 threaten recovery from the pandemic -- sparking increased scrutiny of their cases from scientists and policy makers seeking clues about the new coronavirus’ spread and virulence.

If you noticed headlines recently suggesting smoking could protect against COVID-19, you might have been surprised.

The eyes are a key route by which the novel coronavirus infects humans, a study by the University of Hong Kong has found, in addition to the upper respiratory tract, which includes the nose, mouth and throat.

Belgium's top researchers insist that their efforts to isolate an anti-body grown in a llama -- the Andean beast of burden -- is based on a solid lead.

Studies say cooking with gas can increase asthma rates.

A cat belonging to a family in the Spanish region of Catalonia tested positive for the novel coronavirus, the professor who conducted an autopsy on the pet said on Friday.

Researchers in Hong Kong have found that patients suffering milder illness caused by the new coronavirus recover more quickly if they are treated with a three-drug antiviral cocktail soon after symptoms appear.  

Vitamin C, also known as ascorbic acid, is one of the long-known supernutrients, but high-dosage supplementation entails health risks.

Given the high contagiousness of SARS-CoV-2 by non-sexual routes, it is difficult to imagine how this could be substantially increased by sexual transmission.

Coronavirus patients declared recovered who later test positive for the disease are still expelling dead lung cells rather than getting a new infection, the World Health Organization (WHO) told AFP on Wednesday.

A genetic analysis of samples from more than 7,500 people infected with COVID-19 suggests the new coronavirus spread quickly around the world late last year and is adapting to its human hosts, scientists said on Wednesday.

Officials in the northwestern US state of Washington on Wednesday expressed concern over reports of people organizing "COVID-19 parties" to intentionally spread the virus.

But are you immune from COVID-19 if you’ve already been infected?

Muslims worldwide might ask is it safe to fast when our immune system is at risk due to the COVID-19 pandemic?

When a new diet promises dramatic results with little effort, or sells miraculous pills, potions or supplements guaranteed to melt body fat or speed a up sluggish metabolism – with testimonials touting success – then be sceptical.

It’s true a number of the health conditions which we know increase the risk of severe illness from COVID-19 are also associated with obesity. These include type 2 diabetes, high blood pressure, heart disease and respiratory disease. But new research suggests obesity independently is a strong predictor of severe illness, particularly in those aged under 60 years.

Remdesivir is an experimental antiviral drug being developed by Gilead Sciences. Originally it was being developed as a treatment for Ebola, a viral infection that causes severe internal bleeding. But researchers are now interested in its potential to treat patients with COVID-19.

A town in southern Sweden has turned to a traditional source to try to prevent the coronavirus spreading during an annual festive event on Thursday: chicken manure.

Coronavirus quarantine can be lonely, but at one Tokyo hotel converted to accept patients with mild symptoms, a humanoid robot will be there to offer support and encouragement -- as well as admonishments and warnings.

For many of us, grocery shopping is when we will come into contact with the highest number of people during the pandemic.

The integrated psychology clinic at the University of Indonesia is providing online consultation services during the COVID-19 outbreak.

While we can agree that staying home and self-isolating is important to prevent the spread of COVID-19, doing so might have negative impacts, especially on children.

Essential oil diffusers could be a source of pollution in the home, the French food and environmental safety agency warned Tuesday.

Using e-cigarettes could cause similar vascular damage as smoking tobacco cigarettes, according to new research.

Men may be more likely to die from COVID-19 than women, according to new research.

The government has launched a psychological consultation service to ensure the public’s mental health at a time of elevated stress.

More men die from COVID-19 than women in Indonesia, according to recent data issued by the Health Ministry.