Collection of facts about the 1957-1958 influenza

This post is a collection of facts about the 1957-1958 influenza. There are 10 facts listed below. Source: Wikipedia

• Originated in Guizhou, China
• Spread to Singapore by February 1957
• Spread across China during March 1957
• Spread to Indonesia, Philippines, Japan and Taiwan by May 1957
• Reported in United Kingdom and United States in June 1957
• First vaccine doses released in August 1957
• Deaths peaked in October 1957
• Second wave in Northern China in late 1957
• Estimated 1-4 million deaths
• Reassorted viral strain H3N2 caused the Hong Kong pandemic (1968-1970)