1. “But the WHO says that while asymptomatic spread can occur, it is “very rare.”” Asymptomatic spread of coronavirus is ‘very rare,’ WHO says
  2. “WUHAN, China, December 23, 2020 – A study of almost 10 million people in Wuhan, China, found that asymptomatic spread of COVID-19 did not occur at all, thus undermining the need for lockdowns, which are built on the premise of the virus being unwittingly spread by infectious, asymptomatic people.” Asymptomatic transmission of COVID-19 didn’t occur at all, study of 10 million finds
  3. The asymptomatic/presymptomatic secondary attack rate is not statistically different from zero, and the confidence interval is technically 0.7 ± 4.2, resulting in a range of -3.5%-4.9%, but attack rates cannot be negative, so it is truncated at 0. University of Florida researchers find no asymptomatic or presymptomatic spread