$SIGA Technologies Inc.(SIGA)$$Bavarian Nordic A/S(BVNKF)$$Tonix Pharmaceuticals(TNXP)$SYDNEY: Australia on Friday (May 20) reported its first monkeypox case in a traveller who recently returned from Britain, while a probable case of infection was identified with testing being carried out to confirm it.A man in his thirties who arrived in Melbourne on Monday has the virus, Victoria state's health department said, while the probable case was identified in Sydney in a man in his forties who had recently travelled to Europe.Both men developed mild illness after arriving back in Australia with symptoms clinically compatible with monkeypox, health officials said."Jus