Bacterial and viral infections can cause tonsillitis. A common cause is Streptococcus (strep) bacteria. Other common causes include: 1  Adenoviruses. 2  Influenza virus. 3  Epstein-Barr virus.4  Parainfluenza viruses. 5  Enteroviruses. 6  Herpes simplex virus.he main symptoms of tonsillitis are inflammation and swelling of the tonsils, sometimes severe enough to block the airways. Other symptoms include: 1  Throat pain or tenderness. 2  Redness of the tonsils. 3  A white or yellow coating on the tonsils. 4  Painful blisters or ulcers on the throat.
Language in Laos. The official language of Laos is Lao, a tonal language closely related to Thai. Thanks to ubiquitous Thai broadcast media most Lao understand Thai fairly well, but it's worth learning a few basic expressions in Lao.
The capital city is Vientiane. Other large cities include Luang Prabang, Savannakhet, and Pakse. The official language is Lao. Laos is a multi-ethnic country with the politically and culturally dominant Lao people making up approximately 60% of the population, mostly in the lowlands.aos applied for membership of the World Trade Organization (WTO) in 1997; on 2 February 2013, it was granted full membership. According to the anti-corruption non-governmental organization Transparency International, Laos remains one of the most corrupt countries in the world.