By Kate BinderA new coronavirus scare has hit the UK, with the first cases reported on Wednesday.
It is the latest in a series of recent Zika scares to hit the country.
The UK has seen a surge in cases, with about 4,000 confirmed cases in the first three weeks of August.
In the first week of August, more than 4,500 cases have been reported in the UK and the virus has already caused severe damage in the health system.
Some doctors in the US have reported a resurgence of Zika, with at least 20 confirmed cases, but it is unclear whether the virus is spreading in the rest of the country, where the virus was first detected.
The Health Ministry has also reported more than 6,500 suspected cases, bringing the total number of cases to more than 12,000.
There are currently around 4,400 cases in Russia, with another 4,100 reported in Ukraine, as well as a further 2,300 reported in Pakistan.
The US has seen an increase in cases with at most 8 confirmed cases reported so far.
The World Health Organization says the number of confirmed cases is at an all-time high.
There have also been several other cases in Australia, Brazil, Chile, the Czech Republic, France, Germany, Greece, Mexico, Netherlands, Norway, Poland, Portugal, Russia, South Africa, Spain and the UK.
The British government has confirmed the first confirmed case in the United Kingdom, in the borough of Tower Hamlets, on Tuesday.
The outbreak is currently in its fourth week and it has already spread to the Caribbean, the Middle East and Asia, with some cases also spreading to Europe.
There has been a surge of new cases in some African countries as well.WHO has issued a travel alert to all international travellers in the region to advise them to be on the lookout for possible cases of the new coronovirus.
The government has declared a public health emergency in the capital, Sofia, and the country has banned travel to the country for four days, with measures in place to protect against possible outbreaks.
In a statement, Sofya City Council said the city has seen increased cases of dengue fever, malaria and chikungunya.
The government said that while there are no known links to the outbreak, it has advised people to stay indoors and refrain from using public transport, walking, cycling and using public swimming pools.
There is no immediate risk to the general public.
There were no immediate reports of new infections or deaths.
The WHO has urged all international travelers to be vigilant about the potential spread of the virus, and to monitor the local outbreak closely.