Add Yahoo as a preferred source to see more of our stories on Google. There is no such thing as "Herd Immunity" for COVID-19. In this context it is a concept as antiquated as the "Earth is Flat". The ...

Federal data revealed on Monday that school vaccination rates have declined as exemptions reached record highs, primarily due ...

The Missouri Department of Health and Senior Services is urging residents to take measles seriously, as the vaccine rate is ...

Infections acquired by patients in intensive care units (ICUs) are bad news. These patients, many on life support, are already vulnerable. An infection will increase their chance of dying.

Health officials are now warning that Missouri is below the 95% vaccination rate needed for herd immunity against measles.

South Africa is losing herd immunity as childhood vaccination rates plunge, with the Health Department warning that measles ...

What started out as a breakout in one country has turned into a pandemic that has taken the lives of well over 11,000 people across the globe. In its early stages, COVID-19 was often compared to the ...

Editor’s note: Dr. Jerome Adams, who served as US surgeon general in the first Trump administration, is a distinguished professor in pharmacy practice and public health at Purdue University. The ...

A low-cost, protein-based COVID-19 vaccine tested in rhesus monkeys by Stanford Medicine researchers and colleagues offered immunity against known variants for at least one year. Researchers hope the ...

Before the Covid-19 pandemic struck, few non-epidemiologists had come across the concept of "herd immunity." That changed when some governments made it the basis of their initial pandemic control ...