Bulgaria has received the first of 16 new F-16 military jets from the United States that the Balkan country needs to upgrade ...
The MiG-29 aircraft, even after the deliveries of the F-16 and Mirage 2000, remain the backbone of the Ukrainian air force, ...
My question relates to a situation where a person gets a vaccine for, say, flu, COVID or shingles and is later exposed to the virus. Is it ...