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There is still no cure for COVID-19, but there are vaccines available that, in many cases, prevent the disease and, in the event of infection, they help to keep it mild. Others are still under development and are aimed at preventing transmission.
Treatment for very ill patients and those at risk of severe disease includes the administration of oxygen. More advanced respiratory support, such as mechanical ventilation, is given to critically ill patients. Dexamethasone is a corticosteroid that can help reduce the time a patient spends on a ventilator and save the lives of critically or severely ill patients. For further information read the questions and answers about dexamethasone. Hydroxychloroquine has not been shown to offer any therapeutic benefit against COVID-19. For further information read the questions and answers about hydroxychloroquine.
The WHO does not recommend self-medicating with any drugs, including antibiotics, to prevent or cure COVID-19.
Antibiotics are not effective against viruses, only against bacterial infections. COVID-19 is caused by a virus, so antibiotics will not help and should not be used as a way to prevent or treat COVID-19.