African swine fever, a lethal, incurable disease of pigs, broke out last
month in southern Portugal. The disease, for which there is no vaccine, used to
be endemic in the Iberian peninsula, but it has been five years since the last
case, and the European Commission thought it had been eradicated. This outbreak
is in the same place as the last case, making it unlikely the virus has been
reintroduced. Now scientists are looking again at the theory that the virus can
persist for years in ticks.
More from ¿ìè¶ÌÊÓƵ
Explore the latest news, articles and features
Popular articles
Trending ¿ìè¶ÌÊÓƵ articles
1
Pancreatic cancer halted by virus injection in three patients
2
Glaciers in the 'roof of the world' have suddenly started melting
3
Does gravity create reality? A shocking path to a theory of everything
4
How a radical new view of life could reveal its origin – and aliens
5
Mathematical AI helps researchers crack 50-year-old problem
6
Start-ups are racing to revolutionise mathematics with AI
7
First quantum grandfather clock could probe where gravity comes from
8
Wealthy people with environmental ideals are the biggest emitters
9
The best new science-fiction books of June 2026
10
We're becoming more individualistic and it's affecting our love lives
