Spanish flu pandemic was caused by a particularly virulent strain of influenza virus. It infected 500 million people, caused ...

The Covid “pandemic’ was nothing compared to the greatest killer of humanity, The Black Death of the 14th century, and the ...

In 1918, a strain of influenza known as Spanish flu caused a global pandemic, spreading rapidly and killing indiscriminately. Young, old, sick and otherwise-healthy people all became infected — at ...

Spanish hospitals are having a hard time dealing ... the report said. The flu vaccine could reduce mortality by 50% in people aged over 65, according to a recent study by Estanislao Nistal Villan ...

Flu cases are high in California with respiratory virus season in full swing. About 20% of tests for influenza came back as positive in California for the week of Dec. 29 to Jan. 4, according to ...

Here's the latest on the efforts to develop a new bird flu vaccine. Several vaccines target H5N1, and the national stockpile has doses of all of them. These shots target different strains of H5N1 ...