For the COVID bit there's been a number, but here's one: https://www.nature.com/articles/s41586-020-2818-3 https://www.nature.com/articles/s41586-020-2818-3 C

For the COVID bit there's been a number, but here's one: https://www.nature.com/articles/s41586-020-2818-3 https://www.nature.com/articles/s41586-020-2818-3 Climate change modeled as killer of Neanderthals: https://www.sciencedaily.com/releases/2018/08/180829115529.htm https://www.sciencedaily.com/releases/2018/08/180829115529.h... Pandemic as killer: https://www.theguardian.com/science/2016/apr/10/neanderthals-may-have-died-of-diseases-carried-by-humans-from-africa https://www.theguardian.com/science/2016/apr/10/neanderthals... Cross cultural exchange: https://www.theguardian.com/science/2022/oct/13/neanderthals-and-modern-humans-may-have-copied-each-others-tools https://www.theguardian.com/science/2022/oct/13/neanderthals... A bit more on genetic mix with earlier hominids: https://apnews.com/article/neanderthals-denisovans-ancient-humans-dna-e671a140b75fab3791fbd1c4b77cb6e7 https://apnews.com/article/neanderthals-denisovans-ancient-h... Hopefully a handful to whet your curiosity.