When should you call your doctor, how long should you quarantine, and who should you tell? Here are answers to your questions.

In recent days, public health officials have raised concerns about a new coronavirus variant that could cause a global outbreak of COVID-19 cases with "severe consequences," according to the World Health Organization.

The symptoms connected to the new omicron variant have been described by the South African doctor who first raised the alarm about the new strain as "extremely mild."

Moderna's Chief Medical Officer, Paul Burton, said on Sunday that a reformulated vaccine against the omicron coronavirus variant could be available early next year.

The CDC reported late Friday that no instances of the new omicron Covid variant had been discovered in the United States.

LONDON, UK — This week, scientists in South Africa identified a new coronavirus variant that they say is responsible for a recent increase in COVID-19 infections in Gauteng, the country's most populous province.

In the face of record daily infections and rising pressure on hospitals, Germany is poised to impose stricter Covid-19 restrictions, possibly even a full lockdown.

LONDON – Drugmaker Pfizer Inc. has signed a deal  with a United Nations-backed initiative to allow other manufacturers to make its experimental COVID-19 pill.

Even after being administered two doses of the vaccination, an increasing number of people have reported getting infected with COVID-19.

In just one week, the number of Covid-19 Delta variant cases in the UK increased by 33,650, bringing the total to 75,973. Covid instances with the Delta type now account for 99 percent of all cases in the country.

The coronavirus situation in India continues to remain grim as the country registered over 3.47 lakh fresh Covid-19 cases and 2,624 deaths -- the highest single-day spike -- in the past 24 hours.

One year ago, the World Health Organization (WHO) declared COVID-19 a pandemic. The microscopic coronavirus has, in one way or another, changed the lives of all 7.8 billion people on Earth.