Health experts say that at least 70 percent of the country needs to be vaccinated

Health experts say that at least 70 percent of the country needs to be vaccinated to ensure herd immunity and completely eradicate the epidemic that killed more than 300,000 Americans.

Pfizer will only be able to deliver 2.9 million doses in the first few days

It is expected that Pfizer will only be able to deliver 2.9 million doses in the first few days and only up to 6.4 million doses by 19 December, according to Operation Warp Speed, the government’s vaccine effort.

Consuming red meat and heavily processed foods raises the risk of heart disease and stroke

Consuming red meat and heavily processed foods raises the risk of heart disease and stroke, according to a new report.

Processed foods raises the risk of heart disease and stroke

Consuming red meat and heavily processed foods raises the risk of heart disease and stroke.

COVID-19 assaults our immune system

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

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.

Resistance to Covid-19 infection remains for at least five months

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

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.