<Tr> <Td> </Td> <Td> Egypt </Td> <Td> 1942--1944 </Td> <Td> </Td> <Td> malaria </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> China </Td> <Td> 1946 </Td> <Td> Harbin </Td> <Td> bubonic plague </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Egypt </Td> <Td> 1946 </Td> <Td> </Td> <Td> relapsing fever </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Egypt </Td> <Td> 1947 </Td> <Td> </Td> <Td> cholera </Td> <Td> </Td> </Tr>

What was the plague in the 1800's