![Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe | PNAS Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe | PNAS](https://www.pnas.org/cms/10.1073/pnas.2019034118/asset/5987e6ff-5fb8-4763-8a51-3e10e4cefcf1/assets/images/large/pnas.2019034118fig03.jpg)
Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe | PNAS
![a. Daily cycles of the pollen concentration at different distances on... | Download Scientific Diagram a. Daily cycles of the pollen concentration at different distances on... | Download Scientific Diagram](https://www.researchgate.net/publication/226116874/figure/fig4/AS:302306118651908@1449086803741/a-Daily-cycles-of-the-pollen-concentration-at-different-distances-on-day-5.png)
a. Daily cycles of the pollen concentration at different distances on... | Download Scientific Diagram
![Pollen report: quantitative review of pollen crude protein concentrations offered by bee pollinated flowers in agricultural and non-agricultural landscapes [PeerJ] Pollen report: quantitative review of pollen crude protein concentrations offered by bee pollinated flowers in agricultural and non-agricultural landscapes [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2019/7394/1/fig-2-2x.jpg)
Pollen report: quantitative review of pollen crude protein concentrations offered by bee pollinated flowers in agricultural and non-agricultural landscapes [PeerJ]
![Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe | PNAS Higher airborne pollen concentrations correlated with increased SARS-CoV-2 infection rates, as evidenced from 31 countries across the globe | PNAS](https://www.pnas.org/cms/10.1073/pnas.2019034118/asset/3b512b59-f8c2-45c9-9a90-fde3e4fe365a/assets/images/large/pnas.2019034118fig07.jpg)