8 sept. 2020 - Second Wave
Description:
Gestation and symptomatic periods remain unchanged. Infection is prevalent among 15-25 year olds. All indications are that reinfection is common; that previous infection increases likelihood of reinfection. Studies suggest that a small percentage of the population may be naturally immune.Ajouté au bande de temps:
Date:
8 sept. 2020
Maintenaint
~ Il y a 3 ans et 8 mois
