Diseases, Conditions, Syndromes

Panic-buying returns as Melbourne braces for lengthy lockdown

Shoppers in Australia's second-biggest city stripped supermarket shelves Wednesday as millions in Melbourne prepared for a return to virus lockdown, with warnings the new restrictions could prompt a mental health crisis.

Security

Security is the degree of protection against danger, loss, and criminals.

Security has to be compared and contrasted with other related concepts: Safety, continuity, reliability. The key difference between security and reliability is that security must take into account the actions of people attempting to cause destruction.

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