Science, not speculation, is essential to determine how SARS-CoV-2 reached humans

On Feb 19, 2020, we, a group of physicians, veterinarians, epidemiologists, virologists, biologists, ecologists, and public health experts from around the world, joined together to express solidarity with our professional colleagues in China.


  • Calisher C
  • Carroll D
  • Colwell R
  • et al.
Statement in support of the scientists, public health professionals, and medical professionals of China combatting COVID-19.