nayana-c1.867c992ae9100904cc61c84591adf0f8f863e0387e30f0d0dbc86640e9f50a1a.en.train.103600

The task

Which report discusses the use of early warning systems to reduce the burden of infectious diseases? A. Impacts, risks, and adaptation in the United States. B. Predicting climate-sensitive infectious diseases to protect public health and strengthen national security. C. The 2019 report of the Lancet Countdown on health and climate change. D. Unexplored opportunities: Use of climate- and weather-driven early warning systems to reduce the burden of infectious diseases. Return only the single uppercase letter of the correct option.