The latest Covid-19 vaccines from Pfizer and Moderna tend to be exceptionally effective at avoiding severe illness.
More than 100,000 Americans are in COVID-19 hospital, while the nation has recorded its one-worst daily death toll since the pandemic began.
The CDC has updated its guidelines on the spread of COVID-19.
In an isolated laboratory at the Icahn School of Medicine in Mount Sinai, East Harlem, virologist Benjamin never has been able to decipher how the virus that causes COVID-19 assaults our immune system, wreaking havoc like no other virus he has ever examined.
It has been more than 300 days since Chinese authorities first told the World Health Organisation that Wuhan residents were sick with a mysterious virus.
Some Covid-19 patients experience a long-lasting skin issues following the infection, researchers from Massachusetts General Hospital are finding, including rashes, hives, and “Covid toes.”
The spread of the Covid-19 among members in a family group after one individual is infected is "common" and occurs quickly after illness onset, relating to new research through the US Centers for Disease Control and Prevention.
Resistance to Covid-19 infection remains for at least five months, investigators reported -- and probably lengthier than that.
A sizable English study showed the sheer number of individuals with Covid-19 antibodies declined significantly throughout the summer, suggesting that having the virus may well not confer long-lasting immunity from future infection.
Over 80 percent of 200 COVID-19 sufferers in a hospital in Spain have vitamin D deficiency.