Documents Viruses. Some Random Statistics 1918-1919 Spanish Flu (A/H1N1) 20-40 million deaths world-wide 1957....

Slide 1 Viruses Slide 2 Some Random Statistics 1918-1919 Spanish Flu (A/H1N1) 20-40 million deaths world-wide 1957 Asian (A/H2N2) & 1968 Hong-Kong (A/H3N2) 1.5 million+…