COVID: SARS-CoV-2 and other viruses in pictures – Deutsche Welle – Dubbo Online News

The HI-virus (here in yellow), attacks the immune system, for examples T-cells (here in blue). Like SARS-CoV-2, it’s an RNA-based virus. If left untreated, it’ll weaken the immune system until it can’t fight infections anymore. HIV is transmitted through……

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