respiratory infection

Breakthrough infections

Immune fitness, virus variant and vaccine type are all factors that can contribute to breakthrough infections in the fully immunised.

masked man waits for the light rail in sydney

In Hong Kong, SARS created a new social norm, where people accepted mask use as part of their 'civic responsibility'.

Baby needs help breathing

Whooping cough bacteria are becoming smarter at colonising and feeding off unwitting hosts, strengthening calls for a new vaccine, according to UNSW researchers.

Raina McIntyre inside2

Face masks are a cheap, effective public health "frontline" against epidemics such as swine flu, UNSW infectious disease expert Professor Raina MacIntyre says.