measures in march. in south australia, a public health emergency was declared on 15 march 2020, under section 87 of the public health act 2011 (sa). sa health is responsible for the provision, maintenance and coordination of health services under the emergency management act 2004 the state emergency management plan (semp). a dedicated web page to provide information for the community and health professionals was created, with linked pages to key information updated daily. on 27 march 2020, using the emergency management act 2004, the state coordinator, commissioner of south australia police grant stevens, made a direction to prohibit gatherings of more than 10 people, and with a limit of one person per 4 square metres. in victoria, a state of emergency was declared on 16 march under the public health and wellbeing act 2008 (vic), allowing health officials to "detain people, search premises without a warrant, and force people or areas into lockdown if it is considered necessary to protect public health". the state of emergency was for four weeks to 13 april, and on 12 april was extended by four weeks to 11 may. on 18 march 2020, new south wales used section 7 of their public health act 2010 to require the immediate cancellation of major events with more than 500 people outdoors, and more than 100 people indoors. nsw health has a page dedicated to covid-19.