The WHO warns that the Zika virus is likely to spread across the Americas. The virus has already been found in 21 countries in the Caribbean, North and South America. No treatment or vaccine is available. The virus is spread through the Aedes mosquito. This mosquito is found throughout the Americas with the exceptions of Canada and Chile. 80% of infections do not show symptoms, but there seems to be a link between the virus and impaired fetal development.
Liberia passes two 21-day incubation cycles with no new Ebola cases, passing the threshold for declaring the country’s epidemic to be over. This has led the WHO to declare West Africa’s Ebola epidemic to be over as well, although the organization cautions that the region may still see flare-ups. Ebola killed more than 11,000 people in West Africa during the epidemic, which began in late 2013. WHO chief Chan:
So much was needed and so much was accomplished by national authorities, heroic health workers, civil society, local and international organizations and generous partners.