The research assessed 270 health care workers at the Sheba Medical Center in Tel Aviv who received a second booster shot of either the Pfizer or Moderna vaccines, four months after initially getting three Pfizer shots. 

Because there have been so few confirmed cases, it is too soon to know whether Deltacron infections will be very transmissible or cause severe disease, said Philippe Colson of IHU Mediterranee Infection in Marseille, France, lead author of a report posted last week on medRxiv ahead of peer review.

Can a major problem like mental health be treated through a screen? 

Helen McLaughlin says she was suffering so much that she would burn herself with a hot bottle "just because that was a nicer pain than the one that I was in".

The decline in inoculation rates, largely due to a rise in misinformation, has experts bracing for an imminent measles outbreak in Montenegro and its nearby Balkan neighbours.

Missed appointments, blurry conversations and memory loss — brain fog has left some COVID-19 survivors scrambling to return to normal life. 

New Zealanders stranded overseas by the pandemic returned home Monday as the country began dismantling some of the world's toughest Covid-related border restrictions.

Dogs are deeply affected by the deaths of canine companions, eating, playing less and seeking attention more following a loss, a large scientific study showed on Thursday.

The orthopedic team at Eka Hospital’s Gatam Institute Orthopedic and Spine has handled more than 1,000 cases of spinal surgery in the last 8 months, which is a huge achievement.

Egg freezing is no longer a concept associated with science fiction and has grown in popularity in the three decades since it was first discovered.

Clinical psychologists share tips following a rise in demand for mental health services, as many Indonesians suffer from depression, anxiety and other issues as a result of the COVID-19 pandemic.

Based on a sample of people from various countries, "we are not seeing a difference in severity of BA.1 compared to BA.2," Maria Van Kerkhove, a senior WHO official, said in an online question and answer session.

With home-visit services, midwives offer a comfortable and budget-friendly postpartum recovery for mothers.

As people seek to fortify themselves against COVID-19, some have turned to traditional herbal foods.

Hong Kong's leader said she would not impose a mainland China-style hard lockdown as the city faces its worst coronavirus wave to date.

An Obama-era sex education program that was criticized by conservatives succeeded in reducing teen birth rates in parts of the US that implemented it, a large study said Monday.

Despite the looming threat of the Omicron variant, Indonesians are becoming less vigilant and eschewing lockdowns. Why?

Celebrity couple Asmirandah (right) and Jonas Rivanno, are undergoing the frozen embryo transfer (FET) program at Morula IVF Jakarta to expand their family.

Blood and some nasal swab samples from 131 deer captured on New York's Staten Island revealed that nearly 15 percent had virus antibodies. The finding suggested that the animals had previous coronavirus infections and were vulnerable to repeated reinfections with new variants, researchers led by Pennsylvania State University scientists said.

Polymerase chain reaction (PCR) tests are widely considered the most accurate and sensitive for the virus that causes COVID-19, but they usually take several hours.

A breakthrough new spinal cord implant sends electrical pulses to muscles, mimicking the action of the brain, and could one day help people with severe spinal injuries stand, walk and exercise.

Sub-variant BA.2 -- also called "stealth Omicron" -- was detected earlier this year and has displaced the first Omicron variant, known as BA.1, as the dominant strain in Denmark.

A decision is expected as soon as this month.

The findings by Yoshihiro Kawaoka, a professor of virology at the University of Tokyo's Institute of Medical Science, and others were published in the New England Journal of Medicine on Wednesday.

Due to a staff shortage, many frontliners in Australia still have to work even if they have asymptomatic COVID-19 or have been in close contact with someone who contracted the virus. Indonesian health workers there share their stories. 

All two million residents of a neighbourhood in Beijing where a small cluster of Covid-19 infections was identified will be tested.

The US Food and Drug Administration (FDA) on Thursday approved its first treatment to control pain associated with osteoarthritis in cats, which is also the first monoclonal antibody drug approved for any animal species.

The city government says the carrier faces possible legal action over an outbreak of the Omicron variant of the coronavirus that began with two aircrew breaking home quarantine rules and has forced a tightening of social distancing measures. 

Cypriot media reported the discovery Saturday, describing it as having "the genetic background of the Delta variant along with some of the mutations of Omicron".

But the number of days of bleeding was not affected, according to the research carried out on nearly 4,000 individuals and published in "Obstetrics & Gynecology."