The phrase "all affected countries" is grammatically correct and can be used in written English.
It refers to a group of countries that have been impacted or influenced by a particular event or situation. Example: In the aftermath of the natural disaster, aid was sent to all affected countries, including those in Asia, Africa, and South America.
Numerous speakers displayed graphs showing the incidence of SARS tapering off sharply in all affected countries.
"With such high efficacy, all affected countries should immediately start and multiply ring vaccinations to break chains of transmission and vaccinate all front-line workers to protect them".
"But not until all affected countries become responsible partners in cleaning up polio within their borders so they no longer export the disease to neighboring countries".
In 2011 officials estimated that, if control efforts were sustained, malaria could be eliminated from one-third of all affected countries within a decade.
The flood of aid money — an unprecedented $12 billion to all affected countries and around $1 billion in Tamil Nadu, the worst-hit state in India — has transformed the region.
In Kenya's capital, Nairobi, the nation's first albino member of parliament, Isaac Mwaura, says it is time measures are put in place to end these killings and abductions, and that existing laws need to be adhered to by all affected countries.
Malawi is the highest impacted of all the affected countries.
Niger has an effective network of nutrition treatment centres, the largest in all the affected countries.
You see a spike in mortality when there's a large measles outbreak... so UNICEF is planning immunization campaigns in all these affected countries".
In all the affected countries – including Mali – a lack of adequate medical equipment and limited knowledge of infection control has put health workers at high risk.
In the last few years, very few BSE cases have been detected in Europe while there has been a downward trend in the disease in all the affected countries [ 5].
