In alternative embodiments, provided are pharmaceutical compositions comprising combinations of drugs, including products of manufacture and kits, and methods for using them, for treating, preventing, ameliorating, slowing the progress of, decreasing the severity of or preventing a coronavirus infection, or a COVID-19 or a 2019-nCoV (or so-called Wuhan coronavirus) infection, or an infection caused by a virus in the subfamily Orthocoronavirinae, or a virus in the family Coronaviridae, or a virus in the order Nidovirales. In alternative embodiments, combinations, or cocktails, of a drug or drugs as provided herein are administered either enterally, parenterally and/or by inhalation. In alternative embodiments, combinations, or cocktails, of drugs as provided herein are used to block intracellular metabolic pathways and prevent progression of the infection to clinical illness and death. In alternative embodiments, novel aerosol, spray or mist or powder formulations for inhalation are provided. In alternative embodiments, provided are therapeutic combinations of drugs or a drug, a pharmaceutical dosage form, a drug delivery device, or a product of manufacture, comprising: opaganib or YELIVA™, or opaganib or YELIVA™ and oral and/or inhaled chloroquine (or ARALEN™) chloroquine phosphate, chloroquine diphosphate and/or hydroxychloroquine (optionally, PLAQUENIL™), with or without azithromycin, wherein optionally each or all of the opaganib, the chloroquine (or ARALEN™), chloroquine phosphate, chloroquine diphosphate and/or hydroxychloroquine (optionally, PLAQUENIL™), and/or azithromycin, and others, are in or formulated as a formulation for inhalation, for example, formulated as an aerosol, spray, mist, liquid or powder.

In alternative embodiments, provided are products of manufacture fabricated or manufactured as medical devices such as an inhaler, an ionizer, an asthma “puffer-like” device, a nebulizer or a nasal spray device, a respirator or a ventilator, a warm or a hot air delivery device, and/or a CPAP (continuous positive air pressure) device (for example, for managing or treating sleep apnea) or equivalent, for delivering one or a combination of medications or drugs, and optionally also warm or hot air, and optionally also ionized air. Products of manufacture are used for treating, preventing, ameliorating, slowing the progress of, decreasing the severity of or preventing a microbial infection, such as bacterial and viral infections, including the common respiratory viruses such as influenza virus, respiratory syncytial virus, picornavirus, parainfluenza virus, adenovirus, rhinovirus, human metapneumovirus, hantaviruses, enterovirus, a coronavirus infection, or a COVID-19 or a 2019-nCoV (or so-called Wuhan coronavirus) infection, or an infection caused by a virus in the subfamily Orthocoronavirinae, or a virus in the family Coronaviridae, or a virus in the order Nidovirales. In alternative embodiments, products of manufacture as provided herein administer combinations, or cocktails, of a drug or drugs by inhalation, for example, by use of aerosol, mist, liquid or powder formulations for inhalation.