👤 Cheng, K K Keywords Articles (2) Covid-19: risk factors for severe disease and death. 👤 Jordan, Rachel E 👤 Adab, Peymane 👤 Cheng, K K ⏰ 2020 📚 BMJ Covid-19: why is the UK government ignoring WHO's advice? 👤 Pollock, Allyson M 👤 Roderick, Peter 👤 Cheng, K K 👤 Pankhania, Bharat ⏰ 2020 📚 BMJ