3 ms·Only if the person tested is more than 100 years old (ie spanish flu antibodies)by wh1t3n01s3 6y agoOnly if the person tested is more than 100 years old (ie spanish flu antibodies)koeng 6y agoThe Spanish flu was a totally different disease though.romski 6y agoThat was an influenza virus, this is a coronavirus they are completely different. But to your point, there have been numerous flu pandemics since 1918