Hydroxychloroquine is a medication that has been used for decades to treat malaria and certain autoimmune diseases, including rheumatoid arthritis and lupus. Recently, it has gained attention as a potential treatment for COVID-19. However, there is still some confusion about whether hydroxychloroquine can affect the immune system and what kind of effects it may have. https://buyivermectin24.com/pr....oduct/hydroxychloroq