Revellers enjoying a pseudo Australia Day long weekend have packed venues across the country with footage showing crowds dancing shoulder-to-shoulder inside nightclubs.

The United States Senate has received the article of impeachment which accuses former president Donald Trump of inciting insurrection at Capitol Hill on January 6.

The House delivered an article of impeachment against former President Donald Trump to the Senate on Monday, triggering a second impeachment trial scheduled to begin the week of Feb. 8. Photo: Susan Walsh/AP

Drug manufacturer Moderna says its COVID-19 vaccine is effective against two mutant strains causing concern to Australia, but the government has not yet struck a deal for the jab.

Traces of COVID-19 have been detected in sewage at seven more Queensland sites.