The 1997 Sarawak HFMD outbreak is a hand, foot, and mouth disease (HFMD) outbreak from April until June caused by the Enterovirus 71 affecting 600 children in the state of Sarawak in Malaysia. An estimate from 28 to 31 of the infected children died as a result of the outbreak where it is known as the first HFMD cases in the country with high fatalities. The children died within hours of admission to hospitals due to acute congestive heart failure and cardiovascular collapse which was suggestive of acute viral myocarditis.