Despite the lack of concrete evidence of water contamination from recent floods, Czech Chief Sanitary Doctor Barbora Macková has recommended that all residents temporarily boil tap water before drinking.

Speaking to the ČTK news agency on Tuesday, September 17, Macková stressed that while there is currently no confirmed damage to water treatment facilities or pipelines, precautionary measures should be taken.

Macková emphasized that residents of private homes—particularly those relying on wells—should avoid using well water and instead opt for bottled water or water from imported cisterns.

“At the moment, we have no information indicating any problems. No rise in infectious diseases has been reported in any region. However, floods can create conditions for infections, such as leptospirosis or hepatitis A,” Macková explained.

She also highlighted the start of the respiratory disease season, advising people involved in flood cleanup efforts to wear protective gear like sturdy shoes and gloves to minimize health risks.

“Since infectious diseases can spread even after water dries, and dust particles containing bacteria can be inhaled, we recommend wearing medical masks or respirators while cleaning or assisting others,” the chief epidemiologist advised.

Macková further warned against consuming food that had come into contact with floodwater, citing the risk of food poisoning. Only tightly sealed items, such as canned goods, should be considered safe to eat after a thorough cleaning.

“If glass jars or containers with twist caps have been exposed, they may no longer be sealed properly, posing a potential risk. Personally, I would recommend not consuming any food that was in floodwaters at all,” she added.

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