You can get some helpful information about theosophical literature regarding to Pandemie and Influenca as PDF on the Site of TS Point-Loma Blavatskyhouse. As a German reader you can get this content also TS Point-Loma German section (PDF). Also TS Aydar Germany published an article regard to "Corona".
TS Point-Loma Blavatskyhouse helt his lectures without audience but via livestreams, as you can read here.
TS Adyar UK has closed.
ULT-Events helt online via Skype only, as you can read here.
Tim Boyd published a A Corona Message on YouTube, that a couple of TS-sites shared, f.e. TS Adyar Scottland
TS Pasadena American Section relaunched it's Website.
Seattle Theosophical Library and Quest Bookshop is closed until further notice, announced here.
TS Adyar HQ published a Corona-Letter about it's state of Lockdwon. You can also get a huge amount of Videos and photos of it's 144th International Convention. The Krotona Institute of Theosophy and the TS Adyar in America have been working together to create an Online School of Theosophy (OST), which you can visit here: https://study.theosophical.org/. You can find a list of so far canceled Adyar events in TS Adyar Newsletter.
TS Adyar Philippines want to launch online-meetings and sells a CD-Rom/Download with all of HPBs writtings and the Mahatma-Letters ($20). More information on it's website.
TS Adyar Australia has suspended all its face to face activities.
Also TS Adyar New Zealand has gone into self-isolation, as you can read here.
TOS USA started a COVID-19 AND A CALL TO ACTION and published later on an update about it. Also an article Love in the Time of Corona was published.
European School of Theosophy contemplating the idea of postponing the European School of Theosophy from 12-17 October 2020 to 12-17 October 2021 and will wait until June to issue a final position, told in a recent newsletter.
It also "In response to the challenges created by the global public health crisis of COVID-19, we are making the proceedings of the European School of Theosophy Pescia, Italy, 2018, Memento Mori: Worldviews on Death and Dying available to download for free online".