"These are my grandparents who died within five days of each other," she said.

The two brothers died within eight days of each other.

Most victims died within four to seven days after infection.

The three children died within seven days of each other.

They were best friends and died within three days of each other.

Of the 87 patients, the official said, 9 died within 20 days.

They died within four days of each other in 1941.

Many who did not receive treatment died within two days of being exposed.

In 1946, her husband suddenly died within 12 days of uncertain cause.

They died in 1951 within 11 days of each other.