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CGD Policy Blogs


An image of many Covid vaccine bottles.

Can Serology Tests and Seroprevalence Surveys Inform a More Effective Vaccine Roll Out?

Vaccines have become a central instrument of our long-term response to the pandemic. Vaccination campaigns have now started around the world and will confer significant direct protection against infection, severe illness, and death to those inoculated. It may also protect against transmission, though robust evidence is yet to be confirmed.

Disease Forecasting during the COVID-19 Pandemic: Have We Learned from Previous Outbreaks?

Before COVID-19, the 2014-2015 West African Ebola epidemic (EVD epidemic), was one of the most heavily modelled outbreaks in history. Within the first two months of the COVID-19 pandemic, 31 mathematical models were developed. Despite the clear differences in the two outbreaks, the EVD epidemic can help us draw lessons to improve COVID-19 modelling and its reach in policymaking. We discuss some of those learnings in this piece