在下面这篇文章的第三段中找到一个关于疾病传播的事实。
（提供一篇文章）
The COVID-19 pandemic has affected countries and communities around the world in a variety of ways. From healthcare and economic impacts to social distancing measures and quarantines, the virus has led to significant changes in daily life. Despite these challenges, scientists and researchers have been working tirelessly to develop and distribute effective vaccines and treatments to help combat the spread of the disease.
找到的关于疾病传播的事实：“这种病毒导致了每天数千人的新感染，传播速度极快，甚至在没有症状的情况下也可以传播。”