Varicella, known as chickenpox, is caused by the varicella zoster virus (VZV), with an estimated 84 million cases annually. It primarily affects children, for most of whom it is a self-limiting ...
Although the majority of infected individuals will exhibit a self-limited acute febrile illness or remain asymptomatic, influenza can lead to significant morbidity and mortality. Each year ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果