antibiotics 1 [vynechat] antibiotiká 1 [vynechat] bacteria 1 [vynechat] baktérie 1 [vynechat] health protection 1 [vynechat] ochrana zdravia 1 [vynechat] pandemy 1 [vynechat] pandémie 1 [vynechat] parasitic organisms 1 [vynechat] parazitické organizmy 1 [vynechat] viruses 1 [vynechat] vírusy 1 [vynechat]