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Lethargic dogs, cats with diarrhoea or bald patches after a flood: some of their germs can reach people, from leptospirosis and Salmonella to ringworm, worms and bite infections. Learn the risks, red flags and prevention, from the Nong Khae, Saraburi flood of 2026 (2569).

New drowsiness, fever, a spreading bedsore or cloudy catheter urine after a flood can point to Staphylococcus, Pseudomonas, E. coli, pneumococcus or mold. Learn the causes, red flags and care, from the Chom Bueng, Ratchaburi flood of 2026 (2569).

Diarrhoea, vomiting, fever or cough in several family members at once after a flood can come from norovirus, Salmonella, E. coli, flu, RSV or leptospirosis. Learn the causes, red flags and how to stop household spread, from the Lat Phrao, Bangkok flood of 2026 (2569).

A child who keeps getting sick after a flood is often catching several infections in a row: respiratory viruses, hand-foot-mouth, gut germs and mould allergies. Learn the germs, red flags and prevention from the Samut Prakan flood of 2026.

A musty smell after a flood comes from moulds and bacteria in mud, walls and drains, and can cause headaches and poor sleep. Learn the causes, red flags, proper fixes and disinfection, using the Ongkharak, Nakhon Nayok flood of 2026 (B.E. 2569).

Fatigue and poor appetite after a flood can be exhaustion or an early sign of infection from sewage, spoiled food or mosquitoes. Learn the germs, warning signs and prevention, using the Don Mueang flood of 2026 (B.E. 2569).

A red rash, stubborn nappy rash or small blisters on your baby after a flood can come from heat rash, Candida, impetigo, hand-foot-mouth disease, scabies or house mold. Learn the causes, red flags and care from the Kaset Sombun, Chaiyaphum flood of 2026 (2569).

Stinging, itchy eyes, a burning nose and constant sneezing after a flood can come from mold spores, pink-eye viruses, bacteria or cleaning and farm-chemical fumes. Learn the causes, red flags and safe cleanup from the Hin Khon, Buriram flood of 2026 (2569).

Straining, frequent small stools with mucus or blood after a flood can be caused by Shigella, E. coli, Campylobacter or amoebae. Learn the germs, red flags and prevention from the Ban Plaeng bridge flood in Pong Nam Ron, Chanthaburi, 2026 (2569).

Fever and aches after a flood with no other clear symptoms may be leptospirosis, scrub typhus, dengue, typhoid, melioidosis or hepatitis A. Red flags and prevention from the Khok Samrong, Lopburi flood of 2026 (B.E. 2569).

Cough, fever and breathlessness after a flood may be pneumonia from pneumococcus, flu, RSV, COVID-19, melioidosis, Legionella, inhaled floodwater or mould. Red flags and prevention from the Pluak Daeng, Rayong flood of 2026 (B.E. 2569).

Red, hot, pus-filled wounds or boils after wading through floodwater can come from Staphylococcus, Streptococcus, Aeromonas, Pseudomonas, melioidosis and more. Red flags and prevention from the U Thong, Suphan Buri flood of 2026 (B.E. 2569).

Peeling, itchy toes and discolored nails after wading can mean immersion foot, athlete's foot, nail fungus or bacterial skin infection. Learn the germs, red flags and prevention from the Ko Yom and Bang Prong, Nakhon Sawan flood of 2026 (2569).

Ear pain, itching or discharge after floodwater gets in the ear can mean outer ear infection, fungal infection or a flare of chronic ear discharge. Learn the germs, red flags and correct ear care from the Chai Nat flood of 2026 (B.E. 2569).

Yellow eyes and dark urine after a flood can come from hepatitis A or E, leptospirosis, typhoid or liver flukes. Learn the germs, the red flags that need a doctor, and prevention, using the Rattanathibet Road, Nonthaburi flood of 2026 (B.E. 2569).

Stomach pain, vomiting and diarrhoea after eating during a flood and power cut can come from many germs and toxins. Learn 12 culprits, which food to throw away, the red flags and how to clean then disinfect a kitchen, using the Tha Nam Non, Nonthaburi flood of 2026 (B.E. 2569).

Watery stools, weakness and dizziness in an older person after a flood can mean dehydration sooner than families expect. Learn 12 culprits, the warning signs that need a hospital and how to clean then disinfect, using the Ko Thepho, Uthai Thani flood of 2026 (B.E. 2569).

Fever, mouth sores and blisters on the hands and feet after a shelter stay may be hand, foot and mouth disease or a look-alike infection. Learn 11 culprits, red flags and how to clean then disinfect, using the Dan Makham Tia, Kanchanaburi flood of 2026 (B.E. 2569).

A child with fever, cough and a runny nose after the family moves back into a flooded home may have RSV, flu, hand-foot-and-mouth disease or other viruses spread through hands and toys. Learn the culprits, red flags in children and how to clean then disinfect, using the Phan Thong, Chonburi flood of 2026 (B.E. 2569).

Headaches and dizziness every time you are inside a musty home after a flood can be linked to mold, bacteria in drains and mud, or infections caught while wading. Learn the culprits, red flags and how to clean then disinfect, using the Ta Phraya, Sa Kaeo flood of 2026 (B.E. 2569).

Non-stop sneezing, a blocked nose and a runny nose after moving back into a flooded home can come from mold spores, respiratory viruses and bacteria in damp rooms. Learn the culprits, red flags and how to clean then disinfect, using the Ngio Rai, Nakhon Chai Si flood of 2026 (B.E. 2569).

Asthma flare-ups after a flood often come from many molds growing in damp homes, plus colds and dust. Learn 12 culprits, the warning signs that need a doctor, safe mold cleanup, and how to remove, wash, then disinfect, using the Sam Phran, Nakhon Pathom flood of 2026 (B.E. 2569).

A cough and sore throat after a flood can come from cold and flu viruses, RSV, bacteria, soil germs and mold spores. Learn 13 causes, the signs that need a doctor, prevention, and how to clean then disinfect, using the Pom Phet, Ayutthaya flood of 2026 (B.E. 2569).

Red, gritty, sticky eyes after a flood can come from viruses, bacteria, fungi and amoebae in dirty water. Learn 12 causes, the warning signs that need a doctor, prevention, and how to clean then disinfect, using the Tha Ruea, Ayutthaya flood of 2026 (B.E. 2569).

A small cut from flood cleanup can turn red, hot and swollen as bacteria from soil, mud and sewage move in. Learn 12 culprits, red flags for seeing a doctor, and how to clean then disinfect, using the road 4023 flood, Chachoengsao 2026 (B.E. 2569).

Days of wading can leave feet soggy, itchy, peeling and smelly as fungi, yeast and bacteria move in. Learn 12 culprits, the red flags for seeing a doctor, and how to clean then disinfect, using the Don Sai, Ban Pho flood of 2026 (B.E. 2569).

Itchy legs, red bumps or ring-shaped patches after wading in floodwater can come from fungi, bacteria or scabies. Learn 11 culprits, the red flags for seeing a doctor, and how to clean then disinfect, using the Khu Khot flood of 2026 (B.E. 2569).

High fever with calf pain after wading is a key warning sign of leptospirosis, but other germs can cause it too. Learn the causes, the signs that need a doctor, prevention, and how to clean then disinfect, using the Nong Suea, Pathum Thani flood of 2026 (B.E. 2569).

Vomiting and nausea after a flood can come from stomach viruses, toxins in spoiled food, hepatitis viruses and even generator fumes. Learn the causes, warning signs, prevention and how to clean then disinfect, using the Bang Chak, Ang Thong flood of 2026 (B.E. 2569).

Diarrhea after a flood can come from many bacteria, viruses and parasites in sewage and spoiled food. Learn the germs, the warning signs that need a doctor, prevention, and how to clean then disinfect, using the Pho Phaeng, Ang Thong flood of 2026 (B.E. 2569).