Step forward in the battle against pertussis Addition of an extra adjuvant (additive) to the current pertussis vaccines could enhance the effectivity of these vaccines.
Chikungunya infections in the Caribbean region Since August 2014, there has been an increase in the number of Chikungunya patients in the Caribbean region. Travellers who visit the region can become infected there.
Preserving ozone treaty benefits to climate change The Montreal Protocol has not only served to protect the ozone layer, it also has provided a certain degree of climate protection.