...who has lupus         So she very likely can't get the corona flu. Because she already gets HCQ. It's used for Lupus patients since the 1950s. Chloroquine is used for them since 1834 !!! See:      https://www.lupus.org/resources/drug-spotlight-on-hydroxychloroquine  https://www.rheumatic.theclinics.com/article/S0889-857X(19)30035-3/abstract  https://www.ncbi.nlm.nih.gov/pubmed/27927040  https://medchiefs.bsd.uchicago.edu/files/2018/02/LupusArticlePacket.pdf