The Peter Doherty Institute for Infection and Immunity is a research institute located in Melbourne, Australia.

The Doherty Institute is named after the name of Laureate Professor Peter C. Doherty (Nobel prize winner in 1996).

[1][2] Doherty Institute has advised the Australian government for the transition to nation reopening based upon the vaccination progress in the modelling report.

This 4-phase transition plan depends upon the percentage (70%/*80%) of the fully vaccinated eligible population(16 years or older).

[3][4][5][6] In February 2022, the Doherty Institute advised against periodic six-month boosters.