New paper on #influenza #vaccination in tropical areas! Published in PNAS Nexus. #episky doi.org/10.1093/pnas... Without strong flu seasonality in much of the tropics, timing annual vaccination campaigns is challenging. It becomes more important to ask WHO to vaccinate instead of WHEN. 1/4

Hi @epidemiology.bsky.social we have just wrapped up the 4th year of COVID transmission in the US: Mar 1 2023 to Feb 29 2024. CDC recorded 67.5K deaths during this period. Death counts for previous years were 539K (year 1, almost all pre-vax), 443K (year 2, 3 variant waves), & 137K (year 3) 1/