Fox Health

A baby girl born in Israel earlier this month had the embryo of a twin inside her stomach, in what medical officials say was a 1-in-500,000 medical rarity.

Health officials in Los Angeles County said over 25% of new coronavirus cases are among those who have been fully vaccinated, an increase from last month, according to a report Wednesday.

Drug overdose deaths soared to a record 93,000 in 2020, according to provisional data from the Centers for Disease Control and Prevention. 

A mother is grieving the loss of her 33-year-old daughter who was vaccinated against COVID-19 yet still succumbed to the virus on Sunday, according to a report.

A new study involving the Pfizer-BioNTech COVID-19 vaccine suggests the jab’s efficacy drops to around 84% about six months after the second dose.

A doctor helping to care for a Florida teen who has been in a coma while battling COVID-19 said she is entering the recovery stage, bringing hope to her devastated relatives.

A reversal in federal health guidance calling for fully vaccinated individuals to don masks in certain indoor areas amid high and substantial viral spread has left some experts divided.

In Florida, where COVID-19 community transmission is ranked high by the Centers for Disease Control and Prevention (CDC), researchers say a new variant that originated in Colombia is popping up in sequencing testing.

A study conducted by AstraZeneca regarding its COVID-19 vaccine found a small risk of blood clots following the first dose of the shot, but none after the second jab.

Los Angeles County is seeing an uptick in COVID-19-related hospitalizations, with the number of patients nearly doubling over the last two weeks, health officials said.

The Centers for Disease Control and Prevention (CDC) on Tuesday recommended that even vaccinated people go back to wearing masks while indoors amid as the coronavirus delta variant sweeps the U.S.

Fully vaccinated individuals should now wear masks in certain indoor areas in places with substantial and high coronavirus spread given the highly contagious delta variant, according to the Centers for Disease Control and Prevention (CDC), but what areas are spiking and who is most at risk?

The Defense Department has dragged its feet on protecting service personnel from "forever chemicals" at military installations and isn't doing enough to track health effects from exposure to the toxic compounds, according to an internal audit.

The Centers for Disease Control and Prevention (CDC) said Tuesday that fully vaccinated individuals should wear masks in certain indoor areas and advised universal masking for schools regardless of individuals' vaccination status amid rising infections due to the delta variant.

The CDC is expected to advise fully vaccinated Americans to resume wearing masks while indoors in certain public settings amid a rise in COVID-19 cases largely due to the delta variant.

England could be coming up on the end of its coronavirus pandemic after vaccinations resulted in a dramatic decline of risk for virus-blamed hospitalization and death, an epidemiologist said, according to a report.

Over half of parents surveyed in a national poll said it was unlikely their child would receive a COVID-19 vaccine should the shots see expanded authorization in younger age groups.

Amid rising COVID-19 cases largely due to the delta variant, K-12 schools should instate universal masking measures to safeguard younger kids who are not yet eligible for vaccination, an Infectious Disease Society of America (IDSA) expert said Tuesday.

Light-to-moderate alcohol consumption may offer some protective benefits for patients with heart disease, a new study suggests.

Nerve damage and a buildup of immune cells in the cornea may be a sign of "long COVID," a long-term syndrome that emerges in some people after COVID-19 infection, a new study suggests.