المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : New strain of toxin-producing strep A emerges in UK


BECKHAM
11-09-2019, 02:17 AM
The highly contagious bacterium causes a range of infections, from a sore throat to scarlet fever.

for more .... (https://www.bbc.co.uk/news/health-49646304)